Answer to Question #237106 in General Chemistry for Gah

Question #237106
In an electroplating cell,0.485g of metal M are plated out from an acidic solution of MO3 in exactly one hour using current of 1.50A .What is molar mass of M?
1
Expert's answer
2021-09-15T02:41:46-0400

Q= itQ=it

Q=1.5×60×60= 5400c

If 0.485g is electroplated by 5400c, then 96500c can electroplated;

(96500/5400)×0.485

Molar mass=8.67g


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