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Question

If the solubility of NaCl in water is 22 gm % by weight at 60C. Then how many grams of NaCl can be dissolved in 82 gm of water.


A

19.08 gm

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B

16.04 gm

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C

18.04 gm

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D

14.08 gm

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Solution

The correct option is C

18.04 gm


The solubility of NaCl is 22 gm % by weight i.e 100 gm of water can dissolve 22 gm of NaCl.

Therefore, 82 gm of water can dissolve 22×82100

= 18.04 gm


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