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29-04-2024
Chemistry

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The mass of copper that will be deposited at cathode in electrolysis of 0.2M solution of copper sulphate when a quantity of electricity equal to hat required to liberate 2.24L of hydrogen from 0.1M aqueous H₂SO₄ is passed (atomic mass of C=63.5) will be:
A. 1.59g
B. 3.18g
C. 6.35g
D. 12.70g

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