Answer to Question #108532 in General Chemistry for Michelle

Question

How many moles of hydrogen chloride are contained in a 52.6-g sample of this gas?

Answer 1

The number of moles can be determined if we divide the mass of the sample by its molar mass:

$$n=\frac{m}{\Mu}=\frac{52.6}{1+35.5}=1.44\text{ mol}.$$