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A solution is prepared by dissolving a certain amount of solut

Question

A solution is prepared by dissolving a certain amount of solute in 500 g of water. The percentage by mass of a solute in a solution is 2.38. Calculate the mass of solute.

10.42 g

11.45 g

12.19 g

14.22 g

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A solution is prepared by dissolving a certain amount of solute in 500 g of water. The percentage by mass of a solute in a solution is 2.38. Calculate the mass of solute.

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Text solutionVerified

Weight percentage

= [\frac{Weight of solute}{Weight of solute+ weight of solvent}] \times 100

Let the weight of the solute be 'x'.

2.38 = \frac{x \times 100}{x + 500} ⟹ 2.38 x + 1190 = 100 x ⟹ 1190 = 97.62 x ⟹ x = \frac{1190}{97.62} = 12.190 g

∴

Mass of solute

= 12.19

grams

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Question Text	A solution is prepared by dissolving a certain amount of solute in 500 g of water. The percentage by mass of a solute in a solution is 2.38. Calculate the mass of solute.
Answer Type	Text solution:1
Upvotes	156

A solution is prepared by dissolving a certain amount of solute in 500 g of water. The percentage by mass of a solute in a solution is 2.38. Calculate the mass of solute.

Text solutionVerified

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