which statements apply yo a saturated aqueous solution of th
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which statements apply yo a saturated aqueous solution of the highly soluble sodium carbonate,Na2CO3 in contact with excess solid at constant temperature?
1.The system illustrates chemical equilibrium.
2.The molarity of the solution is equal to its molality
3.The rate at which anions dissolve is less than the rate at which cations dissolve.
请问以上有那几项的选择是对的?
1.The system illustrates chemical equilibrium.
2.The molarity of the solution is equal to its molality
3.The rate at which anions dissolve is less than the rate at which cations dissolve.
请问以上有那几项的选择是对的?
我觉得1和3是对的
1.存在平衡Na2CO3(s)2Na+ (aq)+(CO3)2- (aq)
2.饱和溶液中质量摩尔浓度要比体积摩尔浓度小
3.阳离子的溶解速度是阴离子的两倍
1.存在平衡Na2CO3(s)2Na+ (aq)+(CO3)2- (aq)
2.饱和溶液中质量摩尔浓度要比体积摩尔浓度小
3.阳离子的溶解速度是阴离子的两倍
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