138. Задачка по химии №013 863
2. The density of a 60% solution of phosphoric acid at 293 K is equal to 1426 kg / m3. Determine the number of moles of H3PO4: 1) in 1 liter of solution; 2) in 1000 g of solvent. What is the molar fraction of acid in solution?
Оплата и выдача товара осуществляются через партнёрскую платформу.