题目
题型:不详难度:来源:
A.31.5% | B.33.3% | C.25% | D.46% |
答案
46g |
100g+46g |
故选A.
核心考点
试题【t℃时KNO3的溶解度为46g,该温度下50g水中加入25g KNO3晶体,搅拌后所得溶液中溶质的质量分数为( )A.31.5%B.33.3%C.25%D.4】;主要考察你对溶液的质量分数等知识点的理解。[详细]
举一反三
A.13% | B.12% | C.11% | D.16% |
A.22% | B.4.4% | C.3.0% | D.0.6% |