Textbook Problem

For each of the following sets of pressure/volume data, calculate the new volume of the gas sample after the pressure change is, made. Assume that the temperature and the amount of gas remain the same.

msp;  $\begin{array}{l}\text{a}.V=\text{ 125 mL at 755 mm Hg};V=2\text{mL at 78}0\text{ mm Hg}\\ \text{b}.V=\text{ 223 mL at 1}.0\text{8 atm};V=2\text{mL at }0.\text{951 atm}\\ \text{c}.V=\text{ 3}.0\text{2 L at 1}0\text{3 kPa};V=2\text{L at 121 kPa}\end{array}$