80 mL of solution contains 20 g of solute. Calculate the concentration in terms of mass by volume percentage of the solution.

25%

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35%

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45%

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55%

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Solution

The correct option is A 25%
Mass of the solute = 20 g

Volume of the solution = 80 mL Concentration in terms of mass by volume percentage =
$\frac{mass of solute}{volume of solution} \times 100$

= $\frac{20}{80} \times 100$

= 25%

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80 mL of solution contains 20 g of solute. Calculate the concentration in terms of mass by volume percentage of the solution.

The correct option is A 25%Mass of the solute = 20 g Volume of the solution = 80 mL Concentration in terms of mass by volume percentage = mass of solutevolume of solution×100 = 2080×100 = 25%

The correct option is A 25%
Mass of the solute = 20 g

Volume of the solution = 80 mL Concentration in terms of mass by volume percentage =
$\frac{mass of solute}{volume of solution} \times 100$

= $\frac{20}{80} \times 100$

= 25%