Determine the mass of sodium nitrate salt and water required to prepare 50 g of a solution with a mass fraction of 0, 2.
| August 7, 2021 | education
The mass of the solution is 50 grams;
To find the mass of salt, it is necessary to multiply its mass fraction by the mass of the solution.
m salt = 50 x 0.2 = 10 grams;
To find the mass of water, subtract the mass of salt from the mass of the solution:
m of water = 50 – 10 = 40 grams;
Check: 40 + 10 = 50;
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.
