Answer
0.3190 mol
Work Step by Step
We find:
Number of moles = Mass in grams/ Molar mass = $\frac{6.438g}{20.18 gmol^{-1}}$= 0.3190 mol.
Chemistry 10th Edition
by Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1133610668
ISBN 13:
978-1-13361-066-3
Chapter 2 - Chemical Formulas and Composition Stoichiometrhy - Exercises - The Mole Concept - Page 75: 37
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