Question

i) calculate the molar mass of the following compounfs:- a)Nitric acid, b)sodium carbonate. (N=14,H=1,0=16,Na=23,C=12) ii) A saline solution contains 40g of common salt and 320g of water. Calculate the a) Number of moles of comman salt present in the solution. b) Number of molecules of water present in the solution.

Answer 1

Answer:molar mass of nitric acid- 63g and molar mass of sodium carbonate is 106g.

No. Of mole of common salt is 20/29g and no. Of mole of water is 160/9g....

Explanation: for seeing full solution with formula see in images...

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