There is 1 liter of 30% solution (density 1.09% g / ml). Find the mass of the dissolved substance.
| April 25, 2021 | education
m solution (in-va) = ρ solution (in-va) * V solution (in-va) = 1.09 * 1000 = 1090 g;
m (in-va) = ω (in-va) * m solution (in-va) / 100% = 30% * 1090/100% = 327 g.
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