1000 gram aqueous solution of `CaCO_(3)` contains 10 gram of carbonate. Concentration of solution is:

1000 gram aqueous solution of CaCO_(3) contains 20 gram of carbonate. Concentration of solution is:

1000g of aqueous solution of Na_(2) CO_(3) contains to g to sodium carbonate Concentration of solution Is _____.

1000 g aqueous solutioin of CaCO_(3) contains 10 g of calcium carbonate, hardness of the solution is

1000 g aqueous solution of CaCO_3 contains 10 g calcium carbonate. Hardness of the solution is:

Sodium carbonate in aqueous solution is

10 grams of CaCO_(3) is completely decomposed to x and CaO. 'x' is passed into an aqueous solution containing 0.1 mole of sodium carbonate. What is the number of moles of sodium bicarbonate formed? (mol. wts: CaCO_(3) = 100, NaCO_(3) = 106, NaHCO_(3) = 84 )

When 0.5 gram of BaCI_(2) is dissolved in water to have 10^(6) gram of solution. The concentration of solution is:

When 0.5 gram of BaCI_(2) is dissolved in water to have 10^(6) gram of solution. The concentration of solution is: