50g of saturated solution of NaCl at $30^{0} C$ is evaporated to dryness and 13.2g of dry NaCl was obtained. Find the solubility of NaCl at $30^{0} C$ in water.

25 g

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30 g

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36 g

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40 g

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Solution

The correct option is C
36 g

Mass of water in solution = 50-13.2 = 36.8g

Solubility of NaCl= $\frac{M a s s o f N a C l}{M a s s o f w a t e r} \times 100 \Rightarrow \frac{13.2}{36.8} \times 100 \Rightarrow 36 g m$

Solubility of NaCl = 36g (approx.)

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50g of saturated solution of NaCl at 300C is evaporated to dryness and 13.2g of dry NaCl was obtained. Find the solubility of NaCl at 300C in water.

The correct option is C 36 g Mass of water in solution = 50-13.2 = 36.8g Solubility of NaCl= Mass of NaClMass of water×100⇒13.236.8×100⇒36gm Solubility of NaCl = 36g (approx.)

50g of saturated solution of NaCl at $30^{0} C$ is evaporated to dryness and 13.2g of dry NaCl was obtained. Find the solubility of NaCl at $30^{0} C$ in water.

The correct option is C
36 g

Mass of water in solution = 50-13.2 = 36.8g

Solubility of NaCl= $\frac{M a s s o f N a C l}{M a s s o f w a t e r} \times 100 \Rightarrow \frac{13.2}{36.8} \times 100 \Rightarrow 36 g m$

Solubility of NaCl = 36g (approx.)