The mass of aluminum that can react with a solution of 219 g with a mass fraction of HCl 10%
| August 16, 2021 | education
2Аl + 6HCl = 2AlCl3 + 3H2.
The mass of hydrochloric acid is as follows.
m = 219 * 0.1 = 21.9 g.
M (Al) = 27 g / mol.
M (HCl) = 36.5 g / mol.
m = 2 * 27 * 21.9 / (6 * 36.5) = 5.4 g.
Answer: the mass is 5.4 g.
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