If I initially have a gas at a pressure of 1260 kPa, a volume of 23 liters, and a temperature of 200 K, and then I raise the pressure to 1595 kPa and increase the temperature to 300 K, what is the new volume of
the gas?

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

the answer is 0.42 is that is an option. this question provides no info