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mccartney33
29.03.2021 •
Chemistry
Which of the following relations are correct?
1. Normality = n * Molarity
II. n = molar mass/equivalent mass
III. Normality = n * Molality
IV. n = mass/Equivalent weight
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Ответ:
n(C) = 83,84 g ÷ 12 g/mol.
n(C) = 6,99 mol.
n(H) = 10,58 ÷ 1,008 g/mol.
n(H) = 10,5 mol.
n(O) = 5,58 g ÷ 16 g/mol.
n(O) = 0,348 mol.
n(C) : n(H) : n(O) = 6,99 mol : 10,5 mol : 0,348 mol /:0,348.
n(C) : n(H) : n(O) = 20 mol : 30,1 mol : 1.