1 2CuSO4+2H2O=电解=2Cu+2H2SO4+O2↑
2 根据铅蓄电池工作原理知:耗2mol H2SO4转移的电子数2mol,若0.02mol电子转移,则耗硫酸0.02mol
3 由1 知n(CuSO4)=n(Cu)=1.6/64=0.025mol 所以c(CuSO4)=0.025/0.5=0.05mol/L
4 2CuSO4+2H2O=电解=2Cu+2H2SO4+O2↑
0.025 0.025mol
c(H+)=2*0.025/o.5=o.1mol/L 所以PH=1
1 2CuSO4+2H2O=电解=2Cu+2H2SO4+O2↑
2 根据铅蓄电池工作原理知:耗2mol H2SO4转移的电子数2mol,若0.02mol电子转移,则耗硫酸0.02mol
3 由1 知n(CuSO4)=n(Cu)=1.6/64=0.025mol 所以c(CuSO4)=0.025/0.5=0.05mol/L
4 2CuSO4+2H2O=电解=2Cu+2H2SO4+O2↑
0.025 0.025mol
c(H+)=2*0.025/o.5=o.1mol/L 所以PH=1