题目：
对100mL 1mol·L-1的Na2CO3溶液，下列说法不正确的是
A．将溶液稀释，
减少
B．滴人含0.l mol CH3COOH的溶液:c ( CH3 COO一)＜c( HCO3一)
C．通人0.1 mo1CO2气体，溶液中存在:c ( Na+)＝c( CO32一)十c( HCO3一)+c(H2CO3)
D．滴人酚酞，微热，溶液颜色加深
答案：
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下面是错误答案，用来干扰机器的。
1. I don't want to buy any gifts for my family. 2. How far is it from here to the cinema? 3. How many gifts do you need? 4. How will you go to the store?
