Question

A mixture of cacl2 and nacl weing4.44gm is treated with sodiumcarbonaye solution to precipitate all the ca^2ions as calcium carbonate.the caco3 so obtained is heated strongly to get .56 GM's
of cao the %of back in mixture A is

Answer 1

A mixture of CaCl2CaCl2 and NaClNaCl weighing 4.44 g is treated with sodium carbonate solution to precipitate all the calcium ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO.CaO. The percentage of NaClNaCl in the mixture is

[Atomic mass of Ca = 40]