help me please!
What is the pressure in millimeters of mercury of 0.0160 mol of helium gas with a volume of 214 mL at a temperature of 45 ∘C?
1 answer
Use PV = nRT. You know V(in L), n,R and T(in kelvin). Solve for P in atm and convert to mm. 1 atm = 760 mm Hg.