Calculate the mass of iron sulfide (2), which can be obtained by the interaction of 7 g of iron with sulfur.

univerkov | December 10, 2020 | education

According to the condition of the task, the reaction proceeds:
Fe + S = FeS
m (Fe) = 7g
n (Fe) = m (Fe) / M (Fe) = 7/56 = 0.125 mol
According to the equation: n (Fe) = n (FeS) = 0.125 mol
m (FeS) = n (FeS) * M (FeS) = 0.125 * 88 = 11 g
Answer: m (FeS) = 11 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.