Practice Quiz

Praxis II: Chemistry Exam Prep - Question List

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46. How many liters of .50 M HBr are required to neutralize 350 mL of 2 M KOH?
  1. .088 liters
  2. 8.8 liters
  3. 2.8 liters
  4. 4.6 liters
  5. 1.4 liters
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47. What type of molecular geometry does NH3 display?
  1. Tetrahedral
  2. Trigonal pyramidal
  3. Linear
  4. Bent
  5. Square planar
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48.

Sulfur tetrafluoride contains a middle sulfur atom surrounded by four substituent fluorine atoms and one lone pair of electrons. What molecular geometry does sulfur tetrafluoride have?

  1. Linear
  2. Tetrahedral
  3. See-saw
  4. T-shape
  5. Bent
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49. What is the mass in grams of 1.34x1021 molecules of CO2?
  1. .0979 grams
  2. 9.79 grams
  3. .00223 grams
  4. .223 grams
  5. 44.0 grams
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50. A species undergoes alpha emission to form 234Fr. What is this species?
  1. 236Ra
  2. 236Rn
  3. 234Rn
  4. 238Ac
  5. 236Ac
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