150 grams of a 20% sulfuric acid solution contains what mass acid?

univerkov | June 1, 2021 | education

Let’s find the mass of sulfuric acid, which is contained in 150 grams of a 20% acid solution.
m (H2SO4) = W (H2SO4) • m (solution) / 100% = 20% • 150 g / 100% = 30 g.
The residual mass of the solution will be water.
m (H2O) = m (solution) – m (H2SO4) = 150 g – 30 g = 120 g.

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.