Cколько молекул воды содержится в сосуде объемом 5 л?
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11.06.2019 17:00
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Na-число Авагадро
ρ-плотность воды
М- молярная масса воды
5л= 0,005 м^3
N= 6*10^23* 0,005*1000 \ 0.018=1,6*10^26