Question

A 5.82 gram silver coin is dissolved in nitric acid when sodium chloride is added to the solution all the silver gets precipitated as AgCl . deterrmine the % of the silver

Answer 1

Answer:

The silver percentage is 93.1%

Explanation:

Fraction of Ag in Agcl is=107.9/143.3=0.753 weight of Ag in 7.20 g Agcl

               =0.753*7.20g=5.42 g Ag

Fraction of Ag in coin=5.42g/5.82g

                                   =0.931

                                   =93.1%Ag