How many grams are in a mole of potassium permanganate? coloured solution. The oxidation state of manganese in this salt is +7. (w/v) solution. 2.50 moles of potassium permanganate (KMnO4) contains (2.50*4 =) 10 moles of oxygen. Aluminum sulfate has a molecular weight of 342.15 grams per mole. Keep this table with your study notes. { Oxidation_of_Organic_Molecules_by_KMnO4 : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { Addition_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Chan_Rearrangement : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Elimination_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Free_Radical_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Introduction_to_Bioconjugation : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Keck_Asymmetric_Allylation : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Named_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Organic_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Oxidation_and_Reduction_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Pericyclic_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Reaction_Fundamentals : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Reactivity : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Reactivity_of_Alpha_Hydrogens : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Rearrangement_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Substitution_Reactions : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "Zimmerman-Traxler_Model" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, [ "article:topic", "showtoc:no", "license:ccbyncsa", "licenseversion:40" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FOrganic_Chemistry%2FSupplemental_Modules_(Organic_Chemistry)%2FReactions%2FOxidation_and_Reduction_Reactions%2FOxidation_of_Organic_Molecules_by_KMnO4, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), The half-reaction and oxidation potential, General Reactivity with Organic Molecules, Reactions with Specific Functional Groups, http://www.epa.gov/ogwdw/mdbp/pdf/alter/chapt_5.pdf, http://www.masterorganicchemistry.coboxylic-acids/, status page at https://status.libretexts.org, Carbon atoms with weak C-H bonds, such as, C-H bonds in the alpha-positions of substituted, C-H bonds in carbon atoms containing C-O bonds, including, Carbons with exceptionally weak C-C bonds such as, C-C bonds next to an aromatic ring AND an oxygen, Aliphatic carbons (except those alpha to an aromatic ring, as above), Aromatic carbons (except phenol, as above), Carbons without a C-H bond, except as in (3) above, Abiko, Atsushi; Roberts, John C.; Takemasa, Toshiro; Masamune, Satoru, Tetrahedron Letters (1986), 27(38), 4537-40. A: Calculation of molar mass of C8H9O4: The atomic mass of C = 12.010 g/mol The atomic mass of H = Q: How many carbon atoms are present in a mole of 12C? Downing, Donald T.; Greene, Richard S., Journal of Investigative Dermatology (1968), 50(5), 380-6. And thus in a 15mol quantity there are approx. The small number after the element symbol is called the subscript. 5 More answers below Trevor Hodgson This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Nauseated, since you are such a 'genius' [interprete as 'know-it-all' ] why don't you just answer the question!! Molar mass of Potassium dichromate 1 Make use of the chemical formula to determine the number of atoms of each element in the compound. Plug in the atomic mass of silicon to solve for the mass of 1 atom: . Use this page to learn how to convert between moles Potassium Permanganate and gram. The number of moles of KMnO 4 that will be needed to react completely with one mole of ferrous oxalate in acidic solution is: A 52 B 53 C 54 D 1 Hard Solution Verified by Toppr Correct option is B) 2KMnO 4+5C 2O 4+16H +2Mn 2++2K ++10CO 2+8H 2O KMnO 4+5Fe 2++8H +K ++5Fe 3++Mn 2++4H 2O 1024 E) 184. How many mols are in 23.7 g of K M nO4? Note that rounding errors may occur, so always check the results. Do Howard Miller clocks increase in value? answered by DrBob222 January 8, 2016 (NH4)3PO4 = Nitrogen = 3 Hydrogen = 4x3 (12) Phosphorus = 1 Oxygen = 4 3+12+1+4=20 Each has a single positive and single negative charge, respectively. You also have CDD. We are NOT chemists, but Math nuts!!!!. Examples are provided below. Potassium permanganate is used as a wet dressing for wounds on your skins surface that are blistered or oozing pus. KMnO4 also oxidizes phenol to para-benzoquinone. 34 mol of Nacl = (2. Prepare a simple table of all of the taxonomic groups, their common names, their distinguishing characteristics, and all representative genera covered in this exercise. = amount of KMnO4 x Molecular mass of KMnO4 Now we know enough to answer your question. The mass of glucose can be calculated by multiplying the When reduced by another chemical, it loses its distinctive pink-purple color and becomes colorless. volume of the solution (in liters) by the concentration of the solution (20% or 0) Mass of KMnO4 In potassium permanganate, there is both a distinctive cation and anion. The number of molecules is therefore 6.022*10 23 * 55.556 = 3.346*10 25 molecules. As a result, the molecule has no overall charge. How do you calculate potassium permanganate? If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. b) Describe a change you can make to basketball to allow the game to be played on the Moon. It does not store any personal data. Potassium permanganate has a molar mass of 158.04 g/mol. Aldehydes RCHO are readily oxidized to carboxylic acids. This site explains how to find molar mass. How can we avoid the occurrence of weld porosity? It is used commercially primarily due to its color and oxidative potency. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Calculate the molar mass of potassium permanganate (KMn O4). Therefore, 40g of KMnO4 contains 5515840, which is equal to 14 grams of potassium. How many atoms is in potassium? Treatment of an alkylbenzene with potassium permanganate results in oxidation to give the benzoic acid. Potassium permanganate has a molar mass of 158.04 g/mol. and the nut part, too. To find the total number of atoms in KMnO4 (Potassium permanganate) well add up the number of each type of atom. The position directly adjacent to an aromatic group is called the benzylic position. The small number after the element symbol is called the subscript and this tells us how many of that atom are in the compound. Necessary cookies are absolutely essential for the website to function properly. (OH263-? 1mol atoms = 6.02210^23 atoms 1.4238 mol KMnO4 4 mol O atoms/mol KMnO4 6.02210^23 O atoms/mol O atoms = 3.4310^24 O a Continue Reading KMnO4 is an inorganic chemical compound. Jefford, Charles W.; Wang, Ying, Journal of the Chemical Society, Chemical Communications (1988), (10), 634-5. The reaction only works if there is at least one hydrogen attached to the carbon. P = 2 atoms. 110 g 1 mole 6.02 x 1023 molecules = 4.7 x 1023 molecules 142 g 1 mole Try: Make the following mole conversions. The cookie is used to store the user consent for the cookies in the category "Other. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. In one mole of matter, there is precisely 6. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, of all the atoms in the compound: K (39.10 g/mol) + Mn (54.94 g/mol) + 4O. What is the color of a KMnO4 solution? Molecular weight of KMnO4 is [39+65+(164)]= 158grams. So, in 1 mol of O = (1/0.405 mol) x 0.1 mol of KMnO4 = 0.25 mol of KMnO4. How are the terms "molar mass" and "atomic mass" the same? The compound potassium permanganate has chemical formula KMnO4 Molecular mass of KMnO4 = 39.1 + 54.9 + 4 (16.0) = 158.0. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. pat, There is a good dog :), http://web2.0calc.com/questions/wrap-lantern-thursday-14-1-16#r1. How many grams of glucose (C6H12O6) are present in 500 mL of a 0 M glucose This figure is obtained by adding the individual molar masses of four oxygen atoms, one manganese atom and one potassium atom, all available on the Periodic Table of the Elements (see the Additional Resources section). To find the total number of atoms in AgNO3 (Silver nitrate) well add up the number of each type of atom. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. atoms of Oxygen. KMnO4 molecular weight Molar mass of KMnO4 = 158.033949 g/mol This compound is also known as Potassium Permanganate. Therefore, 40g of KMnO4 contains 5515840, which is equal to 14 grams of potassium. Mn (Manganese) 1 54.938045 = 54.938045. 55 grams of potassium equal to 1 mole of potassium, therefore, 1gram of potassium equals 155mole of potassium. Alkanes are called saturated hydrocarbons because each carbon is bonded with as many hydrogen atoms as possible. When alkaline KMnO4 is treated with KI, iodide ion is oxidised to IO 3-. You can view more details on each measurement unit: molecular weight of KMnO4 or mol This compound is also known as Potassium Permanganate. How to calculate the molar mass of potassium dichromate? A: . This cookie is set by GDPR Cookie Consent plugin. It is a common oxidizing agent often used in titrations due to its color and redox potential. How many moles are in 4.9 x 1023 molecules of ZnCl2? 1 K ( Potassium ) Since molecular weight of Oxygen=15.9994g/mol, therefore. Legal. These relative weights computed from the chemical equation are sometimes called equation weights. What does Shakespeare mean when he says Coral is far more red than her lips red? . The cookie is used to store the user consent for the cookies in the category "Analytics". The equation is unbalanced (1 Al on left, 2 Al on right, etc). Use dimensional analysis to calculate the number of O atoms in 1.4238 mol KMnO4. number of moles of HNO3 required to neutralize the NaOH is also 0 mol. d-Calculate the mass in grams of one calcium atom. What is the load current when the triac is conducted? Solution for 3. Pat.pat. The potassium ion in KMnO4 has a permanent oxidation state of 1+, and the oxygen atoms each have a permanent oxidation state of 2-. What is the role of KMnO4 in oxidation reaction? Thus, if the purple color changes to brown in this reaction, it is a positive reaction. It's a word that represents an amount or a number, Which contains more atoms, a mole of copper or a mole of gold? There is no other chemical reaction of KMnO4 ok, I will take your word for it Nauseated. How many total atoms are in 27.2 g of SF 6? Last Update: Jan 03, 2023. . 9) What is the total number of atoms in 0.139 mol of Fe(OH263-? Calculate the percentage of oxygen in calcium perchlorate. We use the most common isotopes. You are right about the not a chemist part . There are 6.022 1023 atoms of potassium in every mole of potassium. How many moles of HCl are present in 500 mL of 0 M HCl solution? Carbon atoms with bonds, as in alkenes and alkynes. Oxidative cleavage of the diol can be carried out more mildly by using IO4 as the oxidant. Find the mass of iron in sample and the percent iron in sample. Both the same number on the periodic table, you just need to change the units (g/mol -vs- amu) Given 12 g of aluminum, how many moles do you have? volume of the solution (in liters) by the concentration of the solution: 0 L x 0. Mn(VII) is reduced under acidic conditions to Mn(IV) or Mn(II) according to the half-reactions shown below, with the indicated cell potentials1, \[MnO_4^- + 4H^+ + 3e^- \rightarrow MnO_2 + 2H_2O\;\;\;\;E^o = 1.68\,V\], \[MnO_4^- + 8H^+ + 5e^- \rightarrow Mn^{2+} + 4H_2O\;\;\;\;E^o = 1.5\, V\], \[MnO_4^- + 2H_2O + 3e^- \rightarrow Mn^{2+} + 4OH^-\;\;\;\;E^o = 0.6\, V\], KMnO4 is able to oxidize carbon atoms if they contain sufficiently weak bonds, including. You have to check this for accuracy!!!. Its chemical formula was discovered soon after. Q: The concentration of a dilute aspirin solution is 0.000530 M 0.000530 M . The number of atoms for each element in the formula are calculated by looking at the subscripts and the coefficient on the polyatomic anion (SO4). Should you consider anything before you answer a question. Cross), The Methodology of the Social Sciences (Max Weber), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Psychology (David G. Myers; C. Nathan DeWall), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Give Me Liberty! The molar mass of an element is the mass in grams of one mole of the element, which is its relative atomic mass (atomic weight) on the periodic table in g/mol. Chemistry 8 Lesson 6: Elements and Compounds - Molecules prepared by Le Hong Phong High School hopes to provide useful documents to help students master the for elements that we know and use these to figure out oxidation number for Mn. Oxidation of Organic Molecules by KMnO4 is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. Gold = 196.97 g/mol Copper = 63.55 g/mol Molar Mass = Mass of 1 mol (6.02 x 10 23) of a substance (g/mol) Atomic Mass = Mass of 1 atom (amu) How are the terms "molar mass" and "atomic mass" the same? Youre not deadly enough to be him, but you have a comparable lack of chemistry skills. We also use third-party cookies that help us analyze and understand how you use this website. mol/L = 0 mol. Medium. How many milligrams would the unknown sample weigh? : an American History (Eric Foner), Civilization and its Discontents (Sigmund Freud), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Educational Research: Competencies for Analysis and Applications (Gay L. 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Describe the following movement: extension. 1 CHE101 - Summary Chemistry: The Central Science, Dr. Yost - Exam 1 Lecture Notes - Chapter 18, 1.1 Functions and Continuity full solutions. If you have 0.00812 mol of H2CO3, how many molecules (b) How many fluorine atoms were present? A typical human head weighs about 10 - 12 pounds. How much do 3.01 x 1023 atoms of He weigh? Molecular weight of KMnO4 is [39+65+(164)]= 158grams. K2MnO4 - e +OH- --------- KMnO4 + KOH For 2H2O we have four H atoms (the coefficient 2 times the subscript 2) and two O atoms.For compounds with parenthesis, like Ca(NO3)2, we multiple the atoms inside the parentheses by the subscript. This is confirmed by the empty 3d-orbital in manganese. Finally, when no hydrogens are present on the benzylic carbon, no reaction occurs (example 4). Athletes foot and impetigo. Finding molar mass starts with units of grams per mole (g/mol). I was exposed to contagious dumbness. In permanganate anion (MnO4-) the manganese atom is bonded with four oxygen atoms through three double bonds and one single bond. Browse the list of Which solution, 0.50M or 0.25M, will be darker in tone? . When a purple solution of the oxidizing agent KMnO4 is added to an alkene, the alkene is oxidized to a diol and the KMnO4 is converted to brown MnO2. Analytical cookies are used to understand how visitors interact with the website. Alkanes and aromatic compounds do not react with potassium permanganate. Size and Color. Why alkane cannot be oxidized with kmno4 solution? Note that Avogadro's number is actually over itself in a form of number of moles by the molar mass of glucose (180 g/mol): 0 mol x 180. As a result, the total oxidation number of all atoms in KMnO4 equals zero. 3 How do you calculate potassium permanganate? I assume you means for 1 molecule. Our goal is to make science relevant and fun for everyone. A. This is an ionic compound consisting of a +1 potassium cation Calculate the molarity of H2C2O4 and KMnO4. When a purple solution of the oxidizing agent KMnO4 is added to an . 3.5K views 2 years ago To find the total number of atoms in AgNO3 (Silver nitrate) we'll add up the number of each type of atom. How many atoms are present in 175 g of element (b)? This is reduced to 2+ when a reducing agent, such as oxalate ion, is present. For 2H2O we have four H atoms (the coefficient 2 times the subscript 2) and two O atoms.For compounds with parenthesis, like Ca(NO3)2, we multiple the atoms inside the parentheses by the subscript. of moles by the concentration of the solution: 0 mol / 0 mol/L = 0 L or Under harsher conditions, the dione is cleaved to form two carboxylic acids. Given 0.345 mol of water, how many grams would you Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. We are mostly made up of water. Original equation: Al (OH)3 + H2SO4 Al2 (SO4)3 + H2O NOTICE: The Al, O, H, and S atoms are not equal on each side of the equation. We assume you are converting between grams KMnO4 and mole. In this case we have two H atoms so we multiply 2 x 6.02 x 10^23.This is how to find the number of atoms in Silver nitrate (AgNO3). How many moles of oxygen atoms does this represent? What is the mass, in milligrams, of 19 atoms of nickel? When placed in a solvent such as water, the potassium cation separates from the permanganate anion. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. moles of KMnO4: n = M * V / 1000 0.000256 0.000259 0.000254 From stoichiometric equation, 1 mol. Examples of carbons that are not oxidized. 50 mL. Where should I start working out out of shape? La estatua - prlogo, La estatua, captulo 1, Don Buckley, Kathryn Thornton, Michael Padilla, Michael Wysession, Zipporah Miller. The formula indicates that there is 1 mole K, 1 mole Mn, and 4 moles O per mole of KMnO4. Potassium permanganate was discovered in 1659. 0 mol/L = 0 mol. . Answer: The mass of ethylene glycol needed can be calculated by multiplying the The products that are obtained can vary depending on the conditions, but because KMnO4 is such a strong oxidizing agent, the final products are often carboxylic acids. Alkanes are called saturated hydrocarbons because each carbon is bonded with as many hydrogen atoms. g/mol = 18 g. Answer: The number of moles of NaOH can be calculated by multiplying the How many atoms of each element are present in KMnO4? Calculate the molar mass of potassium permanganate (KMnO4). pdf, EMT Basic Final Exam Study Guide - Google Docs, Test Bank Chapter 01 An Overview of Marketing, NHA CCMA Practice Test Questions and Answers, Sample solutions Solution Notebook 1 CSE6040, CHEM111G - Lab Report for Density Experiment (Experiment 1), Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Laboratory Methods in Organic Chemistry (Chem 347). Alkyl-substituted rings can be coverted to poly-acids, which can be distinguished on the basis of their pKas. 1 mole is equal to 1 moles Potassium Permanganate, or 158.033949 grams. Becker is pursuing a Bachelor of Science in microbiology, immunology and molecular genetics at the University of California-Los Angeles. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. How many oygen atoms in 4.64 x 10-3 mol of Al(NO 3) 3? Calculate the number of moles of potassium permanganate (KMnO_4) corresponding to 220.0 g of. 11. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Based on the size of the atoms, do you expect the atomic masses of elements (a) and (c) to be greater than or less than (b)? and the density of ethylene glycol (1 g/mL): 0 L x 0 x 1 g/mL = 0 g. Answer: The number of moles of glucose can be calculated by multiplying the a) Describe how a basketball game will be affected by the decreased friction on the Moon. First, since the KMnO4 doesnt have an overall charge (like NO3- or H3O+) we could say that the total of the oxidation numbers for KMnO4 will be zero since it is a neutral compound. Calculate the volume of 0 M HNO3 solution required to neutralize 25 mL of 0 M . It is easiest to start at the top. The cleavage of alkenes to ketones/carboxylic acids can be used to determine the position of double bonds in organic molecules.5. For example, H2 means there are two Hydrogen atoms.If we add up all of the atoms for AgNO3 we well find that we have a total of 5 atoms for Silver nitrate .When there is no number after an element, we assume there to be one atom of that element. 0.166 M Answer to correct significant figures XM (b) How many moles of KMnO4 are present in 25.0 mL of a 0.0850 M solution? P.S. of the solution (in liters) by the concentr, Calculate the mass of ethylene glycol (C2H6O2) needed t, volume of the solution (in liters) by the concentr. Previous. Answer link The answer is 158.033949. Given 25 g of NaCl, how many moles do you have?
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