Question

Calculate the mass of a solute in a 10% salt solution if the mass is 350 grams.

Answer 1

Answer: The mass of a solute is 35 grams

Explanation:

To calculate the mass percentage of solute, we use the equation:

$\text{Mass percent of solute}=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 100$

Mass percent of solute = 10 %

Mass of solution = 350 g

Putting values in above equation, we get:

$10=\frac{\text{Mass of solute}}{350g}\times 100\\\\\text{Mass of solute}=\frac{10\times 350}{100}=35g$

Hence, the mass of a solute is 35 grams

Answer 2

The mass of a solution will be "35 g".

Mass of solution

According to the question,

Solute's mass percentage = 10%

Solution's mass = 350 g

We know the relation,

→ Mass percent = $\frac{Solute's \ mass}{Solution's \ mass}$ × 100

By substituting the values,

                      10 = $\frac{Solute's \ mass}{350}$ × 100

By applying cross-multiplication, we get

  Solute's mass = $\frac{10\times 350}{100}$

                          = 35 g

Thus the above answer is appropriate.

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