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5 Written questions

5 Matching questions

  1. In which of the following aqueous solutions would you expect PbCl2 to have the lowest solubility?
  2. A 25.0-ml sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10 ^-5.
  3. Calculate the pH of a solution prepared by dissolving 0.150 mol of benzoic acid HBz and 0.300 mol of sodium benzoate in water sufficient to yield 1.00 L of solution. The Ka of benzoic acid is 6.50 x 10^-5.
  4. What is the molar solubility of barium fluoride (BaF2) in water? The solubility-product constant for BaF2 is 1.7 x 10^-6 at 25C.
  5. The solubility of manganese (II) hydroxide (Mn(OH)2) is 2.2 x 10 ^ -5 M. What is the Ksp of Mn(OH)2?
  1. a .020 M BaCl2 (2nd)
  2. b 4.3 x 10^-14 dog. cat fortune
  3. c 7.5 x 10 ^ -3 green.egg tripod
  4. d 2.83 blue.hat cat
  5. e 4.488 dog. dog hat hat

5 Multiple choice questions

  1. 2.84 blue. hat dog
  2. Pb(NO3)2
  3. 0.20 NaBr
  4. 1.1 x 10^-2 apple. apple toodles
  5. sodium hydroxide

5 True/False questions

  1. In which of the following aqueous solutions would you expect AgCl to have the lowest solubility?0.20 NaBr

          

  2. The solubility of lead (II) chloride (PbCl2) is 1.6 x 10^-2 M. What is the Ksp of PbCl2?4.3 x 10^-14 dog. cat fortune

          

  3. The pH of a solution prepared by dissolving 0.350 mol of solid methylamine hydrochloride (CH3NH3Cl) in 1.00 L of 1.10 M methylamine (CH3NH2) is ________. The Kb for methylamine is 4.40 x 10 ^-4. (Assume the final volume is 1.00L.)11.14 apple apple. apple dog

          

  4. The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10 ^ -5) and 0.172 M sodium acetate is ______________.4.077 dog. O green green

          

  5. A 25 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. What is the [H+] (molarity) before any base is added?0.723 O. green blue cat

          

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