question_answer

A mixture contains equimolar quantities of carbonates of two bivalent metals. One metal is present to the extent of 13.5% by weight in the mixture and 2.58 g of the mixture on heating leaves a residue of 1.35 g. What percentage by weight of the other metal is there?

A)  31:6                

B)  21.3          

C)  19.2                

D)  17.8