If you want to prepare 1000 ml, density of 1.1 * 10 ^ 3 kg / m ^ 3, mass fraction of 0.1 brine solution, how many kg of water and salt do you need

1.1 * 10 ^ 3kg / m ^ 3 = 1.1kg/l
1 L * 1.1 kg / L = 1.1 kg, which is the total weight of the solution
The mass of salt is 0.1 * 1.1 = 0.11kg
The mass of water is 1.1-0.11 = 0.99kg

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