100 g of salt was dissolved in 400 g of water. Calculate the mass fraction of the substance in the solution.
| December 17, 2020 | education
Given:
H2O-400g
NACL-100 g
Finding the omega.
w (salt) = 100g: 500g * 100% = 20%
the mass of the solution is 100g + 400g = 500g
Answer: 500 g of substance in solution.
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.
