Question

The molar mass of pentanol (C5H11OH) gas is 88g/mole. How many grams of (C5H11OH) are in 90 liters of pentanol in its gaseous form ?

Answer 1

22.4 L of a gas @ STP is 1 mol. So how many moles pentanol do you have? Then moles pentanol x molar mass pentanol = grams pentanol.