Определение массовой процентной доли CuSO4∙5H2O методом йодометрии (МCuSO4∙5H2O =
249,68 г/мол...
Chemistry, 24.05.2020 00:06 oliviaprejean18
Определение массовой процентной доли CuSO4∙5H2O методом йодометрии (МCuSO4∙5H2O =
249,68 г/моль). Определите фактор эквивалентности анализируемого вещества и
стехиометрическое соотношение (s), приведите значение Е(CuSO4∙5H2O). Рассчитайте
массовую процентную долю CuSO4∙5H2O через Е(CuSO4∙5H2O), М(CuSO4∙5H2O) и по титру
титранта по определяемому веществу: с(Na2S2O3) = 0,05005 моль/дм3
, VNa2
S2
O3 = 20,05 см3
, m
= 0,2985 г.
Answers: 2
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