A、B、C三个电解槽，A槽是CuCl2水溶液，纯铜片做阴极，B、C都是AgNO3水溶液，纯银丝做阴极，先将A、B槽并联，再与C槽串联进行电解，当B槽中银丝质量增加0.108g，C槽银丝质量增加0.216g时，A槽中铜片质量增加了
A 0.216g B 0.108g C 0.064g D 0.032g
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