How much substance is contained in 7.2 kg of water?
| September 10, 2021 | education
Data: m (mass of taken water) = 7.2 kg; M (molar mass) = 0.018 kg / mol.
To find the amount of substance in 7.2 kg of water, we apply the formula: ν = m / M = 7.2 / 0.018 = 400 mol.
Answer: 7.2 kg of water contains 400 moles of the substance.
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.
