要中和25mL0.1mol/L的NaOH溶液，需要0.2mol/L（1/2H₂SO₄）溶液（）mL。

A.8.3
B.10
C.30
D.75

A.1
B.3
C.2
D.4

A.Al+H₂SO₄=AlSO₄+H₂↑
B.2Al+3H₂SO₄=Al₂（SO₄）₃+3H₂↑
C.Al+3H₂SO₄=Al（SO₄）₃+3H₂↑
D.3Al+H₂SO₄=Al₂SO₄+H₂↑