已知：H2SO3的Ka1=1.3×10－2，Ka2=6.3×10－8；H2CO3的Ka1=4.2×10－7，Ka 2=5.6×10－11。现将标准状况下2.24L的CO2和2.24L的SO2分别通入两份150mL1mol/LNaOH溶液中，关于两溶液的比较下列说法正确的是
| A．c（HCO3－）＜c（CO32－） |
| B．两溶液都能使酸性高锰酸钾溶液褪色 |
| C．c（HCO3－）＞c（HSO3－） |
| D．c（CO32－）+c（HCO3－）=c（SO32－）+c（HSO3－） |
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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