Solve this: Q.27. 9650 charges is passed through an aqueous solution of metal nitrate M ( N O 3 ) X , to obtain 2g metal (at. Mass 180). The valence of metal is Share with your friends Share 1 Vartika Jain answered this Dear Student, According to second law of electrolysis,wE= It96500It is given that charge =9650=ItSo, 2E=965096500or, E= 20E=Atomic weightValencySo, 180Valency=20or, Valency=9 1 View Full Answer Sarah Harris answered this ans = 2 0