22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water.

A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius when the atmospheric pressure was 749 torr (1atm=760torr)? The vapor pressure of water at this temperature is 36torr.