N/Na = m/M
M (NaCl) = 58.5
Na = 6.02 * 10^23
m принимаем за "х":
2.4*10^23 / 6.02*10^23 = x / 58.5
x = 2.4*10^23 * 58.5 / 6.02*10^23
x = 23.32
Ответ: 23,32 г
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N/Na = m/M
M (NaCl) = 58.5
Na = 6.02 * 10^23
m принимаем за "х":
2.4*10^23 / 6.02*10^23 = x / 58.5
x = 2.4*10^23 * 58.5 / 6.02*10^23
x = 23.32
Ответ: 23,32 г