Rach ❤The Wanted❤
Rach ❤The Wanted❤ voted up John McCann's answer
I assume you mean STP. 6..5 g Zn (1 mole Zn/65.41 g)(1 mole H2/1 mole Zn) = 0.0994 moles H2 ------Now, PV = nRT (1.00 atmospheres)(X volume) = (0.0994 mole H2)(0.08206 L*atm/mol*K)(298.15 K) = 2.4 Liters volume H2 gas ======