A given amount of electric charge deposits 2. 159 g of silver from an Ag solution. What mass of copper from a Cu₂ solution will be deposited by the same quantity of electric charge? Atomic molar masses: Ag (107. 9 g/mol) , Cu (63. 5 g/mol)
(a) 0. 635 g
(b) 1. 97 g
(c) 2. 54 g