What is the molarity of a solution containing 400 grams of CuSO4 in 4.00 L of solution?

Molarity is defined as the number of moles of solute dissolved in 1 L of solution.

The mass of CuSO₄ - 400 g

molar mass of CuSO₄ - 159.5 g/mol

Therefore number of CuSO₄ moles - 400 g/ 159.5 g/mol = 2.51 mol

the volume of the solution is - 4.00 L

We need to find the number of moles in 1.00 L

If 4.00 L contains - 2.51 mol

Number of moles in 1.00 L - 2.51 mol / 4.00 L = 0.628 mol

Molarity - 0.628 M

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Explanation:

b is the correct answer

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