‌‌‌‌‌=0.25‌ mole ‌AgNO3 ‌∵‌‌‌ Electricity required to liberate ‌1g‌ equivalent of ‌ ‌‌ metal ‌=96500‌ Coulomb ‌ ‌∴‌ Electricity required to liberate ‌0.25‌ g equivalent of ‌ ‌‌ metal ‌ ‌‌‌‌‌=‌