A.a>10,b<9.2 | B.a<10,b>9.2 | C.a=10,b=9.2 | D.a>10,b=9.2 |
ρ1V1ω1 |
ρ1V1+ρ2V2 |
1.84×10×98% |
1.84×10+a |
103ρω |
M |
103×1.40×49% |
98 |
A.0.02mol/L | B.2.0mol/L | C.5.0mol/L | D.7.5mol/L |
A.2c1=c2 | B.2c2=c1 | C.c2>2c1 | D.c1<c2<2c1 |
A.c=
| B.ω=
| ||||
C.ω=
| D.c=
|
A.
| B.
| C.
| D.
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