How much water must be added to 500 g of a 10% salt solution to make the solution 1%?

univerkov | November 22, 2020 | education

Find the mass of the substance
m (in-Ba) = (m (solution) / 100%) * w%
m = (500/100) * 10 = 50 g
Let x be the mass of water to be added
Then from the formula
w% = (m (in-va) / m (solution)) * 100% follows
0.01 = 50/500 + X
0.01x = 45
x = 450

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.