Find the mass of salt contained in 3.5 kg of a 12% solution.
| April 24, 2021 | education
When percentages are indicated in front of the solution, this means that this percentage contains the substance. Let us express and calculate the value of the mass of salt in the solution through the formula. When performing actions, the percentage should be converted to a decimal number:
w = m / mr-ra → m = w * mr-ra;
m = 0.12 * 3.5 kg = 0.42 kg.
Answer: 0.42 kg.
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