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burbulka
@burbulka
October 2021
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Масса воды 36г. Найти число молекул и число атомов водорода
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Lizavil3
1.m(H2O)=36г v(H2O)=36г/18г/моль=2 моль m(H2)=4 г; 2 моль N(H2)=2 моль*6*10^23=12*10^23 N(H)=2*12*10^23=2,4*10^24
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