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20yanushkevich04
@20yanushkevich04
July 2022
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Помогите пожалуйста с 5 заданием!!!
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ЯковПервый
Са + 2HCl = CaCl2 + H2
CaCl2 + 2NaOH = Ca(OH)2 + 2NaCl
Задача:
n (HCl) = m/M = 8/36.5 = 0.22 моль
n (CaCl2) = 2n (HCl) = 0.22 * 2 = 0.44 моль
m (CaCl2) = n*M = 0.44 * 111 = 48.84г
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Answers & Comments
CaCl2 + 2NaOH = Ca(OH)2 + 2NaCl
Задача:
n (HCl) = m/M = 8/36.5 = 0.22 моль
n (CaCl2) = 2n (HCl) = 0.22 * 2 = 0.44 моль
m (CaCl2) = n*M = 0.44 * 111 = 48.84г