What Molarity is 32.66g H3PO4 (phosphoric acid) in 1 liter of water?
回答 (2)
2018-01-12 2:43 pm
✔ 最佳答案
Molar mass of H₃PO₄ = (1.008×3 + 30.97 + 16.00×4) g/mol = 97.99 g/molNo. of moles of H₃PO₄ = (22.66 g) / (97.99 g/mol) = 0.2312 mol
Molarity of H₃PO₄ = (0.2312 mol) / (1 L) = 0.2312 M
2018-01-12 10:31 am
Divide 32.66 g by the molecular weight of H3PO4. That give you moles. When you put that many moles into one liter, your will get molarity (in moles/L)
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