The quantity of electricity which is required to evolve 0.5 g of H2 gas can deposit of copper from CuSO4 solution. [Cu = 63.5 , H = 1] a) 12.7 g

b) 15.875 g

c) 31.75 g

d) 63.5 g​

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.