Calculate the mass of 0.5 mol of potassium oxide K2O.

The molar mass of K2O is 94 g, 0.5 mol of potassium oxide weighs 0.5 * 94 = 47 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.