0.13 g of Cu, when treated with AgNO_3 solution, displaced 0.433 g of Ag. 0.13 g of AI, when treated with CuSO_4 solution displaced 0.47g of Cu. 1.17 g of AI displaces 0.13 g of hydrogen from an acid. Find the equivalent weight of Ag if equivalent weights of Cu and Al are not known.

0.13 g of Cu, when treated with AgNO_3 solution, displaced 0.433 g of

1.	0.13 g of Cu, when treated with AgNO_3 solution, displaced 0.433 g of Ag. 0.13 g of AI, when treated with CuSO_4 solution displaced 0.47g of Cu. 1.17 g of AI displaces 0.13 g of hydrogen from an acid. Find the equivalent weight of Ag if equivalent weights of Cu and Al are not known.
Answer» Solution :`underset(0.13g)(Cu)+ AgNO_3 to underset(0.433g)(Ag) ""...(1)` `underset(0.13g)(AI)+ CuSO_4 to underset(0.47g)(Cu)""...(2)` `underset(1.17g)(AI) + "Acid" to underset(0.13g)(H_2)""...(3)` For Eqn. (3) : EQ. of AL = eq. of hydrogen `therefore (1.17)/("eq. W. of AI")= (0.13)/(1),` eq. WT. of Al is 9. For Eqn. (2) : eq. of Al = eq. of Cu `therefore (0.13)/(9) = (0.47)/("eq. wt. of Cu"),` eq. wt. of Cu= 32.5. For Eqn. (1) : eq. of Cu = eq. of Ag `therefore (0.13)/( 32.5) = (0.433)/("eq. wt. of Ag")` eq. wt. of Ag= 108.25.