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[" A mixture of CaCl2and NaCl "],[" weig...

[" A mixture of CaCl2and NaCl "],[" weighing "4.449" is treated with "],[" sodium carbonate solution to "],[" precipitate all the Calt ions at "],[" calcium carbonate.The calcium "],[" carbonate so obtained is heated "],[" strongly to get "0.56g" of Cao.The "],[" presence of Nacl in the mixture "],[" (Atomic mass of Ca =40) "]

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A mixture of CaCl_2 and NaCl weighing 4.44g 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 0.56g of CaO. The percentage of NaCl in the mixture is [Atomic mass of Ca = 40]

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