Determine the mass of copper sulfate, which is formed by dissolving 40 g of copper oxide in sulfuric acid.

univerkov | January 17, 2021 | education

Given:
m (CuO) = 40 g
To find:
m (CuSO4)
Decision:
H2SO4 + CuO = CuSO4 + H2O
n (CuO) = m / M = 40 g / 80 g / mol = 0.5 mol
n (CuO): n (CuSO4) = 1: 1
n (CuSO4) = 0.5 mol
m (CuSO4) = n * M = 0.5 mol * 160 g / mol = 80 g
Answer: 80 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.