How many grams of water is formed from 112 liters of oxygen?

univerkov | July 27, 2021 | education

Given:
V (O2) = 112 l

To find:
m (H2O) -?

Solution:
1) O2 + 2H2 => 2H2O;
2) n (O2) = V (O2) / Vm = 112 / 22.4 = 5 mol;
3) n (H2O) = n (O2) = 5 * 2 = 10 mol;
4) m (H2O) = n (H2O) * M (H2O) = 10 * 18 = 180 g.

Answer: The mass of H2O is 180 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.