A mixture of CaCl2 and NaCl weighing 4.44 g is treated with sodium ca – McqOptions

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1.	A mixture of CaCl2 and NaCl 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. The percentage of NaCl in the mixture is[Atomic mass of Ca =40]
A.	75
B.	31.5
C.	40.2
D.	25
Answer» B. 31.5

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