相同物质的量的SO2和SO3相比较，下列叙述正确的是（）①分

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更新 2022-09-03
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相同物质的量的SO₂和SO₃相比较，下列叙述正确的是（）
①分子数之比为1:1 ②所含O原子数之比为2:3③原子总数之比为3:4 ④S原子数之比为1:1 ⑤质子数之比4:5

A．①②③④⑤

B．②③

C．①⑤

D．③④⑤

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