A sample of hydrogen gas (H2) has a volume of 8.56 L at a temperature of 0oC and a pressure of 1.5 atm. How do you calculate the moles of H2 molecules present in this gas sample?

1 Answer
Oct 18, 2016

We use the ideal gas equation.......PV=nRT, to get n0.6mol

Explanation:

n=PVRT = 1.5atm×8.56L0.0821Latmmol1K1×273K

If we have set up this problem right, the answer should give units of moles. How many grams of dihydrogen does this represent?