在一定温度下,某硫酸铜饱和溶液蒸发ag水后,同时析出Wg胆矾.若保持温度不变,剩余溶液的质量分数为A.16w/25a+9w乘以100% B.1600w/25a+25w% C.16w/25(a+w)% D.16w/25a乘以100%
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![在一定温度下,某硫酸铜饱和溶液蒸发ag水后,同时析出Wg胆矾.若保持温度不变,剩余溶液的质量分数为A.16w/25a+9w乘以100% B.1600w/25a+25w% C.16w/25(a+w)% D.16w/25a乘以100%](/uploads/image/z/4852767-39-7.jpg?t=%E5%9C%A8%E4%B8%80%E5%AE%9A%E6%B8%A9%E5%BA%A6%E4%B8%8B%2C%E6%9F%90%E7%A1%AB%E9%85%B8%E9%93%9C%E9%A5%B1%E5%92%8C%E6%BA%B6%E6%B6%B2%E8%92%B8%E5%8F%91ag%E6%B0%B4%E5%90%8E%2C%E5%90%8C%E6%97%B6%E6%9E%90%E5%87%BAWg%E8%83%86%E7%9F%BE.%E8%8B%A5%E4%BF%9D%E6%8C%81%E6%B8%A9%E5%BA%A6%E4%B8%8D%E5%8F%98%2C%E5%89%A9%E4%BD%99%E6%BA%B6%E6%B6%B2%E7%9A%84%E8%B4%A8%E9%87%8F%E5%88%86%E6%95%B0%E4%B8%BAA.16w%2F25a%2B9w%E4%B9%98%E4%BB%A5100%EF%BC%85+B.1600w%2F25a%2B25w%EF%BC%85+C.16w%2F25%28a%2Bw%29%EF%BC%85+D.16w%2F25a%E4%B9%98%E4%BB%A5100%EF%BC%85)
在一定温度下,某硫酸铜饱和溶液蒸发ag水后,同时析出Wg胆矾.若保持温度不变,剩余溶液的质量分数为A.16w/25a+9w乘以100% B.1600w/25a+25w% C.16w/25(a+w)% D.16w/25a乘以100%
在一定温度下,某硫酸铜饱和溶液蒸发ag水后,同时析出Wg胆矾.若保持温度不变,剩余溶液的质量分数为
A.16w/25a+9w乘以100%
B.1600w/25a+25w%
C.16w/25(a+w)%
D.16w/25a乘以100%
在一定温度下,某硫酸铜饱和溶液蒸发ag水后,同时析出Wg胆矾.若保持温度不变,剩余溶液的质量分数为A.16w/25a+9w乘以100% B.1600w/25a+25w% C.16w/25(a+w)% D.16w/25a乘以100%
选B;
因为无水硫酸铜CuSO4*5H2O=64+96+5*18=250
故析出溶液量为a+w
又CuSO4的量为=160w/250
所以质量分数为[160w/250(a+w)]*100%=(1600/25(a+w))%