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Вычислить массовую долю потерь осадка PbSO4 массой
0,3000 г при промывании водой объемом 250 мл.-
Предмет:
Химия -
Автор:
jonathankkaj - 5 лет назад
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Ответы 1
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Растворимость PbSO4 составляет 0.0045 г/100 млПотери составят 0.0045 * 250/100 = 0,01125 гМассовая доля потерь 0,01125/0,3000 = 0,0375 (3,75%)
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Автор:
mallorygarrett - 5 лет назад
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0
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