Find the concentration of solution in terms of weight percent if $20$ grams of common salt is dissolved in $50$ grams of water.

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Solution

Percentage composition = $\frac{w e i g h t o f t h e c o m m o n s a l t}{w e i g h t o f c o m m o n s a l t + w e i g h t o f w a t e r} \times 100$
= $\frac{20}{20 + 50} \times 100$
= $28.6$ %

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Find the concentration of solution in terms of weight percent if 20 grams of common salt is dissolved in 50 grams of water.

Percentage composition = weightofthecommonsaltweightofcommonsalt+weightofwater×100=2020+50×100 = 28.6 %

Find the concentration of solution in terms of weight percent if $20$ grams of common salt is dissolved in $50$ grams of water.

Percentage composition = $\frac{w e i g h t o f t h e c o m m o n s a l t}{w e i g h t o f c o m m o n s a l t + w e i g h t o f w a t e r} \times 100$
= $\frac{20}{20 + 50} \times 100$
= $28.6$ %