dTk = 0.4530
dTk = E * b(x)
b(x) = dTk / E
b(x) = 0.209722 моль/кг
b(x) = n(x) / m(s)
n(x) = b * m
m(s) = 400г = 0.4 кг
n = 0.209722 * 0.4 = 0.0838888 моль
m = M * n
M = m / n
M = 13 / 0.0838888 = 154.96 г/моль
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Answers & Comments
dTk = 0.4530
dTk = E * b(x)
b(x) = dTk / E
b(x) = 0.209722 моль/кг
b(x) = n(x) / m(s)
n(x) = b * m
m(s) = 400г = 0.4 кг
n = 0.209722 * 0.4 = 0.0838888 моль
m = M * n
M = m / n
M = 13 / 0.0838888 = 154.96 г/моль