A.mol |
B.×10-3 mol |
C.mol |
D.cV mol |
A.c1>2c2 | B.c2=2c1 | C.c1<2c2 | D.c1=2c2 |
A.0.1 mol | B.0.3 mol | C.0.5 mol | D.0.15 mol |
A.c= | B.m=Vρ |
C.w%=% | D.c= |
A.①>②>③>④>⑤ | B.②>①>③>④>⑤ |
C.②>③>④>①>⑤ | D.⑤>④>③>②>① |
A.振荡、摇匀溶液后,发现液面低于刻度线,再补加水 |
B.称量时,固体放在右盘,砝码放在左盘(未用游码) |
C.原容量瓶洗涤后未干燥 |
D.移液时,未洗涤烧杯和玻璃棒 |
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