Предмет: Химия, автор: zhe1243

раствор электролита подвергается электролизу при силе тока 1 А в течение 0.5 часа. записать уравнение электродных процессов и уравнение электролиза раствора. определить массу и объем газа,выделившегося на катоде. электролит: Rbl. помогите пооожалуйста(

Ответы

Автор ответа: Argwings
0
   катод:               2H2O+2e=H2+2OH(-)
   анод:               2I(-) -2e = I2
2Rb(+) + 2I(-) + 2H2O= H2 +2OH(-) +2Rb(+) + I2
2RbI + 2H2O=H2 + 2RbOH +I2
m(H2)=(Mэ(H2)*J*t)/F
m(H2)=(1*1*1800)/96500=0,019г
V(H2)=(0,019/2)*22,4=0,2мл
Автор ответа: zhe1243
0
спаааааасиииибо вам)
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