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Q.

A sample of a mixture of ${CaCl}_{2}$ and $NaCl$ weighing 4.44 gm was treated to precipitate all rthe ca as ${CaCO}_{3}$ which was then heated and quantitatively converted to $1.12 g$ of $CaO$ choose the correct statements.

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a

Mixture contains 60% ${CaCl}_{2}$

b

Mixture contains 50% $NaCI$

c

Mass of ${CaCl}_{2}$ is $2.22 g$

d

Mass of ${CaCl}_{2}$ $1.11 g$

answer is A, C.

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Detailed Solution

$\frac{\frac{1.12}{56} \times 111}{4.44} \times 100 = % {CaCl}_{2} = 50 %$

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