What volume of hydrogen is produced from complete reaction of 3.143 moles of hydrochloric acid at stp?

It takes 2 moles of HCl to produce 1 mole H2 gas. 3.143 moles HCl = 1.5715 moles H2 gas1.5715 moles H2 x 22.4 L/mole = 35.20 liters