Calculate the weight of copper that will be deposited at the cathode in the…
CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry
Problem
Calculate the weight of copper that will be deposited at the cathode in the electrolysis of a 0.2 M solution of copper sulphate when quantity of electricity passed is equal to that required to liberate 2.24 L of hydrogen at STP from a 0.1 M aqueous sulphuric acid. (Atomic mass of Cu = 63.5)
(a) 1.59 g
(b) 6.35 g
(c) 3.18 g
(d) 12.70 g