Answer
0.734 mol
Work Step by Step
Mass, m= 12.50 g
Molar mass, M= 3$\times$1.008g + 1$\times$14.007=17.031
Using relation n=$\frac{m}{M}$ , We get , n=0.734 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: 36
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