題目列表(包括答案和解析)
溶質(zhì)的質(zhì)量分數(shù) | 甲溶液密度╱g·cm-3 | 乙溶液密度╱g·cm-3 |
1% | 0.95 | 1.02 |
5% | 0.92 | 1.04 |
9% | 0.90 | 1.07 |
已知甲、乙溶質(zhì)的質(zhì)量分數(shù)與溶液密度的關系如下表所示:
溶質(zhì)的質(zhì)量分數(shù) |
甲溶液密度/g.cm-3 |
乙溶液密度g.cm-3 |
1% |
0.95 |
1.02 |
5% |
0.92 |
1.04 |
9% |
0.90 |
1.07 |
甲物質(zhì)的1%的溶液與9%的溶液等體積混合,乙物質(zhì)的1%的溶液與9%的溶液等體積混合,下列敘述中,正確的是( )
A.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均大于5%
B.混合后,甲溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,乙溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
C.混合后,乙溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,甲溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
D.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均等于5%
已知甲、乙溶質(zhì)的質(zhì)量分數(shù)與溶液密度的關系如下表所示:
溶質(zhì)的質(zhì)量分數(shù) |
甲溶液密度╱g·cm-3 |
乙溶液密度╱g·cm-3 |
1% |
0.95 |
1.02 |
5% |
0.92 |
1.04 |
9% |
0.90 |
1.07 |
甲物質(zhì)的1%的溶液與9%的溶液等體積混合,乙物質(zhì)的1%的溶液與9%的溶液等體積混合,下列敘述中,正確的是
A.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均大于5%
B.混合后,乙溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,甲溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
C.混合后,甲溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,乙溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
D.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均等于5%
已知甲、乙溶質(zhì)的質(zhì)量分數(shù)與溶液密度的關系如下表所示:
溶質(zhì)的質(zhì)量分數(shù) | 甲溶液密度╱g·cm-3 | 乙溶液密度╱g·cm-3 |
1% | 0.95 | 1.02 |
5% | 0.92 | 1.04 |
9% | 0.90 | 1.07 |
甲物質(zhì)的1%的溶液與9%的溶液等體積混合,乙物質(zhì)的1%的溶液與9%的溶液等體積混合,下列敘述中,正確的是
A.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均大于5%
B.混合后,乙溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,甲溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
C.混合后,甲溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,乙溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
D.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均等于5%
已知甲、乙溶質(zhì)的質(zhì)量分數(shù)與溶液密度的關系如下表所示:
溶質(zhì)的質(zhì)量分數(shù) | 甲溶液密度/g.cm-3 | 乙溶液密度g.cm-3 |
1% | 0.95 | 1.02 |
5% | 0.92 | 1.04 |
9% | 0.90 | 1.07 |
甲物質(zhì)的1%的溶液與9%的溶液等體積混合,乙物質(zhì)的1%的溶液與9%的溶液等體積混合,下列敘述中,正確的是( )
A.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均大于5%
B.混合后,甲溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,乙溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
C.混合后,乙溶液中溶質(zhì)的質(zhì)量分數(shù)大于5%,甲溶液中溶質(zhì)的質(zhì)量分數(shù)小于5%
D.混合后,甲、乙溶液中溶質(zhì)的質(zhì)量分數(shù)均等于5%
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