To 4 kg of pure water add 16 kg of 80% sulfuric acid. What is the concentration?
| November 23, 2020 | education
A body weighing 2 kg moves at a speed of 10 m / s. what is the mass of a body with the same kinetic energy at a movement speed of 5 m / s.
It turns out that the mass of pure sulfuric acid = 12.8 (80% of 16 kg) of 20 kg of substance
12.8 / 20 = 0.64
Pure sulfuric acid concentration 64%
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