Chap_4_HW_solutions

# Chap_4_HW_solutions - Chapter 4 homework solutions

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CHAPTER 4 HOMEWORK SOLUTIONS 18. Match each name below with the following microscopic pictures of that compound in aqueous solution. a. barium nitrate b. sodium chloride c. potassium carbonate d. magnesium sulfate Which picture best represents HNO 3 (aq) ? Why aren't any of the pictures good representations HC 2 H 3 O 2 (aq) ? 34. A stock solution containing Mn 2+ ions was prepared by dissolving 1.584 g of pure manganese metal in nitric acid and diluting to a final volume of 1.000 L. The following solutions were then prepared by dilution: For solution A, 50.00 mL of stock solution was diluted to 1000.0 mL. For solution B, 10.00 mL of solution A was diluted to 250.0 mL. For solution C, 10.00 mL of solution B was diluted to 500.0 mL. Calculate the concentrations of the stock solution and solutions A, B, and C.

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38. When the following solutions are mixed together, what precipitate (if any) will form? a. Hg 2 (NO 3 ) 2 (aq) + CuSO 4 (aq) b. Ni(NO 3 ) 2 (aq) + CaCl 2 (aq) c. K 2 CO 3 (aq) + MgI 2 (aq) d. Na 2 CrO 4 (aq) + AlBr 3 (aq) 50. What mass of barium sulfate can be produced when 100.0 mL of a 0.100 M solution of barium chloride is mixed with 100.0 mL of a 0.100 M solution of iron(III) sulfate?
54. You are given a 1.50 g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into 100 mL of water and then add an excess of 0.500 M silver nitrate

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Chap_4_HW_solutions - Chapter 4 homework solutions

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