At a certain temperature, 0.820 mol SO3 is placed in a 4.50 L container. 2SO3(g)↽−−⇀2SO2(g)+O2(g) At equilibrium, 0.190 mol O2 is present. Calculate c.

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?