设NA表示阿伏伽德罗常数，下列说法中不正确的是
| A．一定量的Fe与含1molHNO3的稀硝酸恰好反应，则被还原的氮原子数小于NA |
| B．1molFeCl3完全水解转化为氢氧化铁胶体后能生成NA个胶粒 |
| C．0.01molMg在空气中完全燃烧生成MgO和Mg3N2，转移电子数目为0.02NA |
| D．125gCuSO4•5H2O晶体中含有0.5NA个Cu2+ |
相关试题
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
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