Ответ:
Cm = 0.25
V = 250мл = 0.25 л
Cm = m / M * V
M (NaCl) = 58 г/моль
m = 0.25 * 58 * 0.25 = 3.625г
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Ответ:
Cm = 0.25
V = 250мл = 0.25 л
Cm = m / M * V
M (NaCl) = 58 г/моль
m = 0.25 * 58 * 0.25 = 3.625г