Answer :
Hey there !
1 mole HCl ---------- 22.4 at STP
4.00 moles HCl ------ Volume
Volume = 4.00 * 22.4 / 1
Volume = 89.6 L
1 mole HCl ---------- 22.4 at STP
4.00 moles HCl ------ Volume
Volume = 4.00 * 22.4 / 1
Volume = 89.6 L