# Find the mass of salt and the volume of water that will be required to prepare 3kg of 15%

June 26, 2021 | education

| **Find the mass of salt and the volume of water that will be required to prepare 3kg of 15% brine for salting watermelons.**

The mass of the solution is 3,000 grams;

To find the mass of salt, it is necessary to multiply its mass fraction by the mass of the solution.

m salt = 3000 x 0.15 = 450 grams;

To find the mass of water, subtract the mass of salt from the mass of the solution:

m water = 3,000 – 450 = 2,550 grams;

The density of water is 1 gram / cm3;

The volume of water is 2,550 x 1 = 2,550 ml.

Check: 450 + 2,550 = 3,000;

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.