A.1:2:3 | B.3:2:1 | C.1:1:1 | D.6:3:2 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
A.该溶液的物质的量浓度为1mol•L-1 |
B.该溶液中含有58.5g NaCl |
C.配制100mL该溶液需用58.5g NaCl |
D.量取100mL该溶液倒入烧末中,烧杯中Cl-的物质的量为0.1mol |
A.1:1:1 | B.3:2:1 | C.1:2:3 | D.3:4:3 |
A.0.21 mol•L-1 | B.0.56 mol•L-1 |
C.0.42 mol•L-1 | D.0.26 mol•L-1 |
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