A sample of hydrogen gas (#H_2#) has a volume of 8.56 L at a temperature of 0#"^oC# and a pressure of 1.5 atm. How do you calculate the moles of #H_2# molecules present in this gas sample?
We use the ideal gas equation.......
If we have set up this problem right, the answer should give units of moles. How many grams of dihydrogen does this represent?