Exam 6: Properties of Solutions I: Aqueous Solutions

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State whether each of the following compounds is an electrolyte or nonelectrolyte. A) CaCl2 ______ B) CO2 _____ C) H2SO4 _____ D) C6H12O6 _____

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electrolyte; nonelectrolyte; electrolyte; nonelectrolyte

Write the net ionic equation for the precipitation of lead(II) iodide from the addition of lead(II) nitrate solution to a potassium iodide solution.

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Pb2+(aq) + 2I-(aq) → PbI2(s)

Which of the following compounds is a strong electrolyte?

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C

Identify H2CO3 as a strong acid, strong base, weak acid, or weak base.

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Triclosan is an antibacterial agent present in some soaps and surgical cleaning treatments. Calculate the mass of triclosan, C12H7Cl3O2, needed to prepare 750.0 mL of a 5.00 × 10-5 M solution.

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Hydrofluoric acid is used to etch glass. Concentrated hydrofluoric acid is 28.9 M. If a 500.0-mL sample of 5.75 M HF is needed, how many mL of the concentrated HF should be diluted?

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Which of the following compound is insoluble in water?

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A luminol solution is used to detect the presence of blood. What is the molarity of a luminol solution that was made by dissolving 15.5 g of luminol (C8H7N3O2) in water to a final volume of 90.0 mL?

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Which of the following is the correct name for the acid H3PO4?

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What is the pH of a 1.4 M HCl solution?

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Which term is used to describe a solution that contains less solute than the maximum amount of solute that can be dissolved?

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Which of the following compounds is soluble in water?

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What is the pH of a 0.280 M HNO3 solution?

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What is the molarity of a solution prepared by dissolving 29.3 g KCl in water to a final volume of 500.0 mL?

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What ion would be used to form an insoluble compound with the ion Hg22+?

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Identify Ca(OH)2 as a strong acid, strong base, weak acid, or weak base.

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An unknown solution is determined to have a pH of 4.5. Identify the solution as being acidic, basic, or neutral.

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Which of the following compound is a weak electrolyte?

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A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this? ​ A 25.0-mL solution contains 0.45 g of cadmium cyanide. Which type of solution is this? ​

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A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this? ​ A 100.0-mL solution contains 27.8 g of sodium cyanide. Which type of solution is this? ​

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