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Приготовить 250 мл 0,1 М раствора щавелевой кислоты H2C2O4*H2O
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Предмет:
Химия -
Автор:
reuben5jgo - 5 лет назад
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Ответы 1
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M(H2C2O4*2H2O)=126г/моль; Mэ(H2C2O4*2H2O)=126:2=63г/мольn =(0,1*250):1000=0,025моль/мл; m=0,025 моль*63г/моль=1,575г;
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Автор:
shadowvq4i - 5 лет назад
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