c(CH3OH) |
c(CO)c2(H2) |
| ||
2min |
c(CH3OH) |
c(CO)c2(H2) |
A.在这一反应中,各物质的消耗速率相等 |
B.若反应中消耗4 mol H2O,则必定同时生成2 mol Fe(OH)3 |
C.v[Fe(OH)2]=2v(H2O)=4v(O2) |
D.反应中消耗1 mol O2,必定同时消耗2 mol H2O |
A.10mL 0.1mol/L Na2S2O3+10mL 0.1mol/L H2SO4 |
B.5mL 0.1mol/L Na2S2O3+5mL 0.1mol/L H2SO4 |
C.5mL 0.1mol/L Na2S2O3+5mL 0.05mol/L H2SO4 |
D.10mL 0.05mol/L Na2S2O3+10mL 0.05mol/L H2SO4 |
A.2A+3B=2C | B.A+3B=2C | C.3A+B=2C | D.A+B=C |
A.2:3:2 | B.2:2:3 | C.1:3:2 | D.3:1:2 |
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