题目内容
将50g20%氯化钾溶液稀释到200g,稀释后所得溶液中溶质的质量分数是 ( )
A.1% B.5% C.10% D.20%
B
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(09广州)将50g20%氯化钾溶液稀释到200g,稀释后所得溶液中溶质的质量分数是( )
A.1% | B.5% | C.10% | D.20% |
题目内容
将50g20%氯化钾溶液稀释到200g,稀释后所得溶液中溶质的质量分数是 ( )
A.1% B.5% C.10% D.20%
B
A.1% | B.5% | C.10% | D.20% |