Question

35g of potassium chloride is dissolved in 100g of water at 298k to form a saturated solution what is mass by mass per cent

Answer 1

Answer:25.92%

Explanation:

As 35g KCl is dissolved in 100g H2O.

So, wt. of solution becomes 135g.

Applying formula-

Mass % = (wt. of solute/wt. of

solution)×100

=(35/135)×100

=25.92%

Answer 2

The mass percent of KCl in water is 25.9 %

Explanation:

To calculate the mass percentage of KCl in water, we use the equation:

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

Mass of KCl = 35 g

Mass of solution = [35 + 100] = 135 g

Putting values in above equation, we get:

$\text{Mass percent of KCl}=\frac{35g}{135g}\times 100=25.9\%$

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