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What’s the molarity of a solution formed by adding water to 35 grams of copper (II) sulfate (CuSO4)

What’s the molarity of a solution formed by adding water to 35 grams of copper (II) sulfate (CuSO4) until you have a final volume of 750 mL?

Solution: Molarity = moles of solute/ L of solution

We first need to convert grams of copper (II) sulfate to moles using molar mass.


35gCuSO4 ( 1mol/159.609 g) = 0.21929mol

Next we convert milliliters to liters. 750ml/1000 = 0.750L


Molarity = 0.21929mol/ 0.750L = 0.29M

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