碳酸钠与盐酸互滴现象
人气：422 ℃ 时间：2019-09-09 18:09:31
解答
碳酸钠滴盐酸：马上有气泡
Na2CO3 + 2HCl =2 NaCl + CO2↑ + H2O
盐酸滴碳酸钠：碳酸钠先变成碳酸氢钠,如果再滴盐酸,就会有气泡产生了
(1)Na2CO3 + HCl = NaCl + NaHCO3
(2)NaHCO3 + HCl = NaCl + CO2↑ + H2O
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