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a) If 1.17 g of sodium chloride (NaCl) is dissolved in water and made up to 100 cm³ of aqueous solution, what is the concentration of the solution? b) What mass of potassium iodide (KI) must be dissolved in water and made up to 50.0 cm³ to give a solution of concentration 0.05000 mol dm-3? c) The concentration of an aqueous solution of sodium hydroxide, NaOH, is 0.500 mol dm3. What volume of this solution must be added 250 cm³ of water to give a solution of concentration 0.0200 mol dm3?

a) If 1.17 g of sodium chloride (NaCl) is dissolved in water and made up to 100 cm³ of aqueous solution, what is the concentration of the solution? b) What mass of potassium iodide (KI) must be dissolved in water and made up to 50.0 cm³ to give a solution of concentration 0.05000 mol dm-3? c) The concentration of an aqueous solution of sodium hydroxide, NaOH, is 0.500 mol dm3. What volume of this solution must be added 250 cm³ of water to give a solution of concentration 0.0200 mol dm3?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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QUESTION ONE a) If 1.17 g of sodium chloride (NaCl) is dissolved in water and made up to 100 cm³ of aqueous solution, what is the concentration of the solution? b) What mass of potassium iodide (KI) must be dissolved in water and made up to 50.0 cm³ to give a solution of concentration 0.05000 mol dm3? c) The concentration of an aqueous solution of sodium hydroxide, NaOH, is 0.500 mol dm3. What volume of this solution must be added 250 cm³ of water to give a solution of concentration 0.0200 mol dm³?
Transcribed Image Text:QUESTION ONE a) If 1.17 g of sodium chloride (NaCl) is dissolved in water and made up to 100 cm³ of aqueous solution, what is the concentration of the solution? b) What mass of potassium iodide (KI) must be dissolved in water and made up to 50.0 cm³ to give a solution of concentration 0.05000 mol dm3? c) The concentration of an aqueous solution of sodium hydroxide, NaOH, is 0.500 mol dm3. What volume of this solution must be added 250 cm³ of water to give a solution of concentration 0.0200 mol dm³?
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