Calculate the mass fraction of sulfur in sulfuric acid.

univerkov | January 17, 2021 | education

Find: w (S)
Decision:
M (H2SO4) = 1 * 2 + 32 + 16 * 4 = 98 g / mol
Ar (S) = 32 g / mol
w (S) = Ar (S) / M (H2SO4) * 100% = 32 g / mol / 98 g / mol * 100% = 32.65%
Answer: 32.65%

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.