问题
选择题
下图是某物质的溶解度曲线，60℃时，取100g水配制成该物质的饱和溶液，当温度降低至30℃时所得溶液的质量为
A.130g
B.140g
C.160g
D.180g
答案
答案：B
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下图是某物质的溶解度曲线，60℃时，取100g水配制成该物质的饱和溶液，当温度降低至30℃时所得溶液的质量为
A.130g
B.140g
C.160g
D.180g
答案：B
Mary Black 36a girl. 37 is a student(学生). 38 is 39 family name and Mary is her 40 name. Her 41 number is 7094328 and her English 42 good. Her mother 43 a worker(工人).She and 44 mother 45 the same.
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