How much sodium hydroxide is needed to react with 19.6 g of sulfuric acid to form a medium salt?

univerkov | November 26, 2020 | education

2NaOH + H2SO4 -> Na2SO4 + 2H2O
n (H2SO4) = 19.6 g / 98 g / mol = 0.2 mol
n (NaOH) = 0.2 mol * 2 = 0.4 mol
m (NaOH) = 0.4 mol * 40 g / mol = 16 g
Answer: 16g

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.