Question

Calculate the amount of sugar present in 340 g

of 15% (w/w) aqueous sugar solution. ​

Answer 1

51 grams

Explanation:

In 15% of (w/w) solution,

%= Solute /Solution ×100

15*340/100=Amount of sugar present.

=51 grams.

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Answer 2

Given:

340 g of 15% (w/w) aqueous sugar solution.

To find:

The amount of sugar.

Solution:

The concentration of the solution is given as-

The mass of the solute/mass of the solution.

Let the mass of the solute that is sugar is x gram.

The mass of the solution is 340 grams.

The concentration of the solution is 15%.

So, we can write-

$\frac{x}{340} \times 100 = 15 \\ x = 15 \times \frac{34}{10} \\ x = 51$

The value of x is 51.

Hence the amount of sugar is 51 grams.