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July 2022
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вычислите массу вещества, если молярная концентрация и объем заданы: Сm-3,1 ;
V(л)-0,7; Вещ-во-HNO2.
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IrVB
Cm=n/V
n(HNO2) = Cm*V = 3,1*0,7 = 2,17 моль
m(HNO2) = M*n
M(HNO2) = 47 г/моль
m(HNO2) = 47*2,17 = 101,99 г
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Answers & Comments
n(HNO2) = Cm*V = 3,1*0,7 = 2,17 моль
m(HNO2) = M*n
M(HNO2) = 47 г/моль
m(HNO2) = 47*2,17 = 101,99 г