104 Задачка по химии №010 454
43. The exchange capacity of kaolin clay is
13.5 mmol/l. What volume of water with a total hardness of 3.5 mmol / l
can be filtered through 150 g of clay to completely remove calcium and magnesium cations?
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Оплата и выдача товара осуществляются через партнёрскую платформу.