General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 3 - Calculations with Chemical Formulas and Equations - Questions and Problems - Page 119: 3.32

Answer

Molar mass $H_{3}PO_{4}$ = 97.995 g.

Work Step by Step

Molar mass of $H_{3}PO_{4}$ is equal the sum of: 3 x AM H = 3 x 1.00794 = 3.02382 g 1 x AM P = 1 x 30.97376 = 30.97376 g 4 x AM O = 4 x 15.9994 = 63.9976 g ___________ Molar mass $H_{3}PO_{4}$ = 3.02382 g + 30.97376 g+ 63.9976 g Molar mass $H_{3}PO_{4}$ = 97.995 g
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