If 500 mL of HCl gas at 300 K and 100 kPa dissolve in 100 mL of pure water, what is the concentration?
1 Answer
Sep 26, 2014
The concentration of HCl is 0.200 mol/L.
You use the Ideal Gas Law to find the number of moles, and then you calculate the molarity.
If there is no volume change when the HCl dissolves in the water, the volume of the solution is 100 mL.
Molarity =