Question

How much dry solute would you take to prepare each of the following solutions from the...

How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?

A.) 132 mL of 0.115 M NaNO3

B.) 124 g of 0.220 m NaNO3

C.) 124 g of 1.4 % NaNO3 solution by mass

D.) How much solvent would you take to prepare the solution in part B?

E.) How much solvent would you take to prepare the solution in part C?

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Answer #1

Mass of solution = mass of solute + mass of solvent

124 g = (85 x 0.0229)g + mass of solvent

Mass of solvent = 122 g

E) 1.736 g of dry solute is present in124 g of 1.4 % NaNO3 solution by mass

Mass of solution = Mass of solute + Mass of solvent

124 g = 1.736 g + Mass of solvent

Mass of solvent = 122.26 g

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