To make a saturated solution 30 g of sodium chloride is dissolved in 100 g of water at 293K. Find its concentration at this temperature.

23.07 %

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24.08 %

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22.67%

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21.00 %

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Solution

The correct option is A
23.07 %

Mass of solute = 30g

Mass of solution= 30+100 =130g

Concentration (mass by mass percentage)= $\frac{m a s s o f s o l u t e}{m a s s o f s o l u t i o n} \times 100$ % $\Rightarrow$ 23.07%.

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To make a saturated solution 30 g of sodium chloride is dissolved in 100 g of water at 293K. Find its concentration at this temperature.

The correct option is A 23.07 % Mass of solute = 30g Mass of solution= 30+100 =130g Concentration (mass by mass percentage)= mass of solutemass of solution×100% ⇒ 23.07%.

The correct option is A
23.07 %

Mass of solute = 30g

Mass of solution= 30+100 =130g

Concentration (mass by mass percentage)= $\frac{m a s s o f s o l u t e}{m a s s o f s o l u t i o n} \times 100$ % $\Rightarrow$ 23.07%.