a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are...

Question

Question

a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are the molarity, molality, and mole fraction of this solution?

b.) How many grams of salt would you need to add to 500 mL of this solution to raise its mole % to 5.00?

science chemistry

Answer 1

Answer #1

b)

Molarity = moles / volume

2.100 = moles / 0.500

moles = 1.05 mol

Answer 2

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