How much water do you need to add to 7.5 kg of 12% salt solution to get a 10% solution?

univerkov | November 25, 2020 | education

0.12 * 7.5 = 0.9 kg of salt.
0.9 * 10 = 9 kg – a new solution.
9-7.5 = 1.5 kg – water needs to be added.
Answer: 1.5 kg of water needs to be added to get a 10% solution

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