You need to make up 2.50 L of a 0.456M solution of CuSO4. How many grams of solute will you need?
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Chemistry help! Molarity (with work)?
2016-05-09 10:02 pm
回答 (2)
2016-05-09 10:11 pm
✔ 最佳答案
Number of moles of CuSO₄ needed = (0.456 mol/L) × (2.50 L) = 1.14 molMolar mass of CuSO₄ = 63.55 + 32.06 + 16.00×4 = 159.61 g/mol
Mass of CuSO₄ needed = (159.61 g/mol) × (1.14 mol) = 182 g
2016-05-09 10:04 pm
Molarity = (number of moles)/(volume of solvent in liters)
number of moles = Molarity(volume of solvent)
Plug in numbers to get the moles, then multiply by the molar mass of CuSO4 to get your answer
number of moles = Molarity(volume of solvent)
Plug in numbers to get the moles, then multiply by the molar mass of CuSO4 to get your answer
收錄日期: 2021-04-18 14:52:08
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