Answer to Question #155506 in General Chemistry for Amina

Question

what is the volume of hydrogen gas if there are 1.37 moles at 842 mmHg and 25 degree Celsius

Answer 1

According to ideal gas law:

$$PV=nRT,\\\space\\ V=\frac{nRT}{PV},\\\space\\ V=\frac{1.37\cdot8.314\cdot(25+273)}{842\cdot133.322}=0.03\text{ m}^2.$$