36. Solving a chemistry problem

36. Solving a chemistry problem

6. Calculate: a) the mass fraction of the dissolved substance; b) molar concentration; c) molality of the solution; d) the mole fraction of the solute of solutions obtained by dissolving substances in water
Variant Solute Volume of water, ml Density of solution, g/ml
formula, mass, g
18 HCl 60 140 1.150

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