Question

1000 g aqueous solution of Ca(NO3)2 contains 10
g of calcium nitrate. Concentration of the solution is :
(A) 10 ppm
(B) 100 ppm
(C) 1000 ppm
(D) 10,000 ppm​

Answer 1

Answer:

In the question solution contains 10g of CaCO3 

It means rest is water 

Concentration in (ppm) =100010×106

                                         =10000ppm