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19. What is the molar concentration of each solution? (a) 0.50 mol of NaCl dissolved in 0.30 L of solution (b) 0.289 mol of iron(III) chloride, FeCl,, dissolved in 120 ml. of solution (c) 0.0877 mol of copper(II) sulfate, CuSO4, dissolved in 70 ml. of solution (d) 4.63 g of sugar, C₁2H22O11, dissolved in 16.8 ml. of solution (e) 1.2 g of NaNO, dissolved in 80 ml. of solution

19. What is the molar concentration of each solution? (a) 0.50 mol of NaCl dissolved in 0.30 L of solution (b) 0.289 mol of iron(III) chloride, FeCl,, dissolved in 120 ml. of solution (c) 0.0877 mol of copper(II) sulfate, CuSO4, dissolved in 70 ml. of solution (d) 4.63 g of sugar, C₁2H22O11, dissolved in 16.8 ml. of solution (e) 1.2 g of NaNO, dissolved in 80 ml. of solution

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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19. What is the molar concentration of each solution? (a) 0.50 mol of NaCl dissolved in 0.30 L. of solution (b) 0.289 mol of iron(III) chloride, FeCl3, dissolved in 120 ml. of solution (c) 0.0877 mol of copper(II) sulfate, CuSO4, dissolved in 70 ml. of solution (d) 4.63 g of sugar, C₁2H22O11, dissolved in 16.8 ml. of solution (e) 1.2 g of NaNO, dissolved in 80 ml. of solution 20. What mass of solute is present in each aqueous solution? (a) 1.00 L of 0.045 mol/L. calcium hydroxide, Ca(OH)₂, solution (b) 500 ml. of 0.100 mol/L silver nitrate, AgNO,, solution (c) 2.5 L. of 1.00 mol/L. potassium chromate, K₂CrO₁, solution (d) 40 ml. of 6.0 mol/L. sulfuric acid, H₂SO4, solution (e) 4.24 L. of 0.775 mol/L ammonium nitrate, NH4NO3, solution 21. A student dissolves 30.46 g of silver nitrate, AgNO,, in water to make 500 mL of solution. What is the molar concentration of the solution? 22. What volume of 0.25 mol/L. solution can be made using 14 g of sodium hydroxide, NaOH? 23. A 100 ml. bottle of skin lotion contains a number of solutes. One of these solutes is zinc oxide, ZnO. The concentration of zinc oxide in the skin lotion is 0.915 mol/L. What mass of zinc oxide is present in the bottle? 24. Formalin is an aqueous solution of formaldehyde, HCHO, used to preserve biological specimens. What mass of formaldehyde is needed to prepare 1.5 L of formalin with a concentration of 10 mol/L.?
Transcribed Image Text:19. What is the molar concentration of each solution? (a) 0.50 mol of NaCl dissolved in 0.30 L. of solution (b) 0.289 mol of iron(III) chloride, FeCl3, dissolved in 120 ml. of solution (c) 0.0877 mol of copper(II) sulfate, CuSO4, dissolved in 70 ml. of solution (d) 4.63 g of sugar, C₁2H22O11, dissolved in 16.8 ml. of solution (e) 1.2 g of NaNO, dissolved in 80 ml. of solution 20. What mass of solute is present in each aqueous solution? (a) 1.00 L of 0.045 mol/L. calcium hydroxide, Ca(OH)₂, solution (b) 500 ml. of 0.100 mol/L silver nitrate, AgNO,, solution (c) 2.5 L. of 1.00 mol/L. potassium chromate, K₂CrO₁, solution (d) 40 ml. of 6.0 mol/L. sulfuric acid, H₂SO4, solution (e) 4.24 L. of 0.775 mol/L ammonium nitrate, NH4NO3, solution 21. A student dissolves 30.46 g of silver nitrate, AgNO,, in water to make 500 mL of solution. What is the molar concentration of the solution? 22. What volume of 0.25 mol/L. solution can be made using 14 g of sodium hydroxide, NaOH? 23. A 100 ml. bottle of skin lotion contains a number of solutes. One of these solutes is zinc oxide, ZnO. The concentration of zinc oxide in the skin lotion is 0.915 mol/L. What mass of zinc oxide is present in the bottle? 24. Formalin is an aqueous solution of formaldehyde, HCHO, used to preserve biological specimens. What mass of formaldehyde is needed to prepare 1.5 L of formalin with a concentration of 10 mol/L.?
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