Put 5.6 g of iron powder into 80 g of copper sulfate and react exactly. Calculate (1) the mass fraction of solute in the original copper sulfate solution (2) the mass fraction of solute in the solution after reaction

Put 5.6 g of iron powder into 80 g of copper sulfate and react exactly. Calculate (1) the mass fraction of solute in the original copper sulfate solution (2) the mass fraction of solute in the solution after reaction

Suppose the mass of solute in the original copper sulfate solution is x, the mass of Cu generated by the reaction is y, and the mass of FeSO4 generated is z.fe + CuSO4 = Cu + feso456 160 64 1525.6g x y z56 / 5.6 = 160 / x = 64 / y = 152 / ZX = 16gy = 6.4gz = 15.2g. The mass fraction of solute in the original copper sulfate solution is 16 / 80 * 100% = 20% of the solution after the reaction