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perbandingan koefisien=perb. mol
2 Al + 3 H₂SO₄ ⇒ Al₂(SO₄)₃ + 3 H₂
0,037 0,056 0,019 0,056
M = mol/V
4 = 0,056/V
V=0,014 liter = 14 ml H₂SO₄
V gas H₂
V=molx22,4
=0,056 x 22,4
=1,2544 Liter