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3 years ago

11

Vhat is the molarity of an Nal solution that contains 7.0 g of Nal in 23.0 mL of solution?

1 answer:

Alika [10]3 years ago

4 0

Answer:

Molarity = 5.22 M

Explanation:

Given data:

Mass of sodium chloride = 7.0 g

Volume of solution = 23.0 mL ( 23.0/1000 = 0.023 L)

Molarity = ?

Solution;

Number of moles of NaCl = 7.0 g/ 58.4 g/mol

Number of moles of NaCl = 0.12 mol

Molarity = moles of solute / volume in litter

Molarity = 0.12 mol / 0.023 L

Molarity = 5.22 M

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