a sample of oxygen gas has a volume of 7.64 L at a temperature of 19C and a pressure of 1.38 atm. Calculate the moles of O2 present in this gas sample
PV = nRT
Remember V in L, P in atm, T in kelvin. R is 0.08206 L*atm/mol*K
Remember V in L, P in atm, T in kelvin. R is 0.08206 L*atm/mol*K