a molH2SO4中含有b个氧原子,则阿伏加德罗常数可以表示为A．a/4b mol－1

a molH₂SO₄中含有b个氧原子,则阿伏加德罗常数可以表示为

A．a/4b mol^－1 B．b/4a mol^{－1 C}．a/b mol^－1 D．b/a mol^－1

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a molH2SO4中含有b个氧原子,则阿伏加德罗常数可以表示为A．a/4b mol－1

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