27. Решение задачи по химии №002 794
8. What weight of an alloy containing about 20% zinc should be taken to determine it in the form of Zn2P2O7, given that the deposited form is a crystalline precipitate of ZnNH4PO4.
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Оплата и выдача товара осуществляются через партнёрскую платформу.