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Science
Chemistry
18 and 19

18 and 19

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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18 and 19

**Chemistry Problem Set** 18. What are the respective molar concentrations of Na⁺ and SO₄²⁻ afforded by dissolving 0.500 mol Na₂SO₄ in water and diluting to a final total volume of 1.3 L? - a. 0.376 M and 0.376 M - b. 0.065 M and 0.065 M - c. 0.65 M and 0.65 M - d. 1.3 M and 0.665 M - e. 0.752 and 0.752 M 19. If 0.10 mole of each of the following compounds is dissolved to a volume of 1.0 L in water, which one will have the highest concentration of dissolved ions? - a. HF - b. Al(NO₃)₃ - c. MgSO₄ - d. CaI₂ - e. NaOH 20. What volume of 3.00 M NaCl is required to precipitate all the Pb²⁺ ion from 25.0 mL of aqueous 0.440 M Pb(NO₃)₂? - a. 17.0 mL - b. 36.7 mL - c. 73.3 mL - d. 4.4 mL - e. 1.47 mL *Note:* - **Correct Answers:** Circled options. - For question 18, the correct molar concentrations are underlined in option c. - For question 20, the correct volume of NaCl required is option c (circled). **Instructions:** Review the provided questions and calculate the respective values as practice. Understand how to work through each calculation and verify answers with additional sources if needed.
Transcribed Image Text:**Chemistry Problem Set** 18. What are the respective molar concentrations of Na⁺ and SO₄²⁻ afforded by dissolving 0.500 mol Na₂SO₄ in water and diluting to a final total volume of 1.3 L? - a. 0.376 M and 0.376 M - b. 0.065 M and 0.065 M - c. 0.65 M and 0.65 M - d. 1.3 M and 0.665 M - e. 0.752 and 0.752 M 19. If 0.10 mole of each of the following compounds is dissolved to a volume of 1.0 L in water, which one will have the highest concentration of dissolved ions? - a. HF - b. Al(NO₃)₃ - c. MgSO₄ - d. CaI₂ - e. NaOH 20. What volume of 3.00 M NaCl is required to precipitate all the Pb²⁺ ion from 25.0 mL of aqueous 0.440 M Pb(NO₃)₂? - a. 17.0 mL - b. 36.7 mL - c. 73.3 mL - d. 4.4 mL - e. 1.47 mL *Note:* - **Correct Answers:** Circled options. - For question 18, the correct molar concentrations are underlined in option c. - For question 20, the correct volume of NaCl required is option c (circled). **Instructions:** Review the provided questions and calculate the respective values as practice. Understand how to work through each calculation and verify answers with additional sources if needed.
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