题目内容
40g10%的某溶液和60g20%的同种物质的溶液相混合,混合后溶液中溶质的质量分数是
[ ]
|
A.5% |
B.20% |
C.16% |
D.30% |
答案:C
练习册系列答案
相关题目
题目内容
40g10%的某溶液和60g20%的同种物质的溶液相混合,混合后溶液中溶质的质量分数是
[ ]
|
A.5% |
B.20% |
C.16% |
D.30% |