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a. What is the molarity of CuSO4 solution containing 69g of CuSO4 in 324 ml solution? 1. 0.43 moles 2. 1.3 mol 3. 1.3 mol/L 4

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Answer #1

1. The formula for Molarity is moles of solute/volume of solution

Moles of solute = Given weight/ Molar mass

Given wight = 69g

Molar mass =160

The volume of solution =, 324 ml = 0.324 Litre

Moles of solute = 69/160 =0.43

Molarity = 0.43/0.324 = 1.33 mol/L

Molarity = mol/Litre

2. Concentration of s solution is calculated by dividing the mass of solute by Total volume of solution

Here mass of solute = 69 g

Volume of solution = 324mL

Concentration = 69*100/324= 21.3%

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