用NA表示阿伏加德罗常数，下列叙述正确的是（）_刷题宝

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用N_A表示阿伏加德罗常数，下列叙述正确的是（）

A：78 gNa₂O₂晶体中所含阴阳离子个数均为2N_A

B：1．5 g CH₃⁺中含有的电子数为N_A

C：3．4 g氨气分子中含有0．6N_A个N—H键

D：常温下，100 mL1 mol·L^-1AlCl₃溶液中Al³⁺离子总数等于0．1N_A

上一题下一题 0.0难度选择题更新时间:2020-02-27 05:12:56

答案(点此获取答案解析）

C

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