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

Published by Pearson Prentice Hal
ISBN 10: 0132064529
ISBN 13: 978-0-13206-452-1

Chapter 6 - Gases - Example 6-8 - Using the Ideal Gas Equation to Calculate a Gas Density - Page 209: Practice Example B


32.0 g/mol

Work Step by Step

We find: $d=1.00\,g/mL$ $P=745\,mmHg\times \frac{1\,atm}{760\,mmHg}$ $=0.98026\,atm$ $R=0.08206\,L\,atm\,K^{-1}mol^{-1}$ $T=(109+273)\,K=382\,K$ $M=\frac{dRT}{P}$ $=\frac{(1.00\,g/L)(0.08206\,L\,atm\,K^{-1}mol^{-1})(382\,K)}{0.98026\,atm}$ $=32.0\,g/mol$
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