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A.24 mL B.30 mL C.20 mL D.18 mL
A.24 mL
B.30 mL?
C.20 mL
D.18 mL??
A.24 mL B.20 mL C.18 mL D.12 mL?
24mL H2S在30mL O2中燃烧,在同温同压下,得到的SO2体积为多少?
A.24 mL B.20 mL
C.18 mL D.12 mL