Question

what is the concentration of a solution which contains 2.5g of salt in 50g of solution.​

Answer 1

Answer:

7.5g

Explanation:

2.5+5 is concentrated solution

Answer 2

Explanation:

The mass by mass percentage of a solution can be calculated from the following relation

mass by mass percentage of solution = (mass of solute / mass of solution) X 100

where mass of solution = mass of solute + mass of solvent

Here, we are given that 2.5 g of salt is being dissolved in 50 g of water. So,

mass of solute = 2.5 g

mass of solvent = 50 g

So, mass by mass percentage of solution = [2.5 / (2.5 + 50)] X 100 = 4.76 %