## General Chemistry: Principles and Modern Applications (10th Edition)

Published by Pearson Prentice Hal

# Chapter 3 - Chemical Compounds - Exercises - Percent Composition of Compounds: 19

15.585%

#### Work Step by Step

Mass of H in the compound = $22\times1.008g$ = 22.176 g Molar mass of $C_{10}H_{22}$ = $(10\times12.011g)+(22\times1.008g)$ = 142.29 g Mass % of H = (Mass of H in $C_{10}H_{22}$$\times$100)/(Molar mass of $C_{10}H_{22}$) = $\frac{22.176g\times100}{142.29g}$ = 15.585%

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.