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Quiz 3 Key - CHM 2045 Quiz#3 Key This quiz consists of 11...

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CHM 2045 Quiz #3 Key This quiz consists of 11 questions worth 2 points each except where noted. Answer all 11 for full credit. Calculators are allowed but notes or assistance from other students will not be permitted. Your TA will distribute a periodic table. Write on this quiz, but do not write on the periodic table. 1. Classify each of the following a Strong Electrolyte (SE), Weak Electrolyte (WE), or nonelectrolyte (NE). (short answer) Answer I. CaI 2 SE II. CH 3 CH 2 OH NE III. HF WE IV. HCl SE 2. Which of the following is soluble in water at 25 °C? (multiple choice, circle one, 1 point) A) Fe 3 (PO 4 ) 2 B) Fe(OH) 2 C) Fe(NO 3 ) 2 D) FeCO 3 E) FeS 3. What precipitate is most likely formed from a solution containing Ba +2 , Na +1 , OH -1 , and CO 3 -2 . (multiple choice, circle one, 1 point)
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