What will be the mass fraction in the solution obtained by mixing 350 g. 18% in 250 g. 15% solution of this salt?
September 29, 2021 | education
| Let us determine the mass fraction of salt in the solution after mixing the two solutions.
W (salts) = W1 • m1 + W2 • m2 / (m1 + m2) = 18% • 350 g + 15% • 250 g / (350 g + 250 g) = 16.8%.
![](/01.jpg)
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.