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0.3摩尔NH3分子所含原子数与多少个水分子中所含原子数相等

2025-04-03 11:31:34

推荐回答（3个）

回答1：

0.3*4=1.2mol，也就是说里面有1.2*6.02*10∧23
水分子也要有那么多原子数目，就是1.2*6.02*10∧23除以3=0.4*6.02*10∧23=2.408*10∧23

回答2：

　　0.3molNH3含有原子个数是1.2NA，它与0.4mol（即0.4×6.02×10²³）H2O含有的原子个数相同。

回答3：

2.408乘以10的23次方

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