50 g of salt was dissolved in 450 g of water. What is the mass fraction of salt in the resulting solution?

The solution consists of two components: water weighing 450 grams and salt weighing 50 grams.

The mass of the solution is equal to the sum of their masses:

m solution = 450 + 50 = 500 grams.

To find the mass fraction of salt, we divide the mass of salt by the mass of the solution:

C = m salt / m solution = 50/500 = 0.1 = 10%;