Determine the mass of salt and water required to prepare 50 g of a solution with a concentration of 20%.

univerkov | December 21, 2020 | education

We use the following formula:
w (things) = m (things) / m (solution) * 100%
Let’s find the mass of salt in the solution:
m (salt) = 20% * 50g / 100% = 10g
Now let’s find the mass of water:
m (water) = 50 g – 10 g = 40 g

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