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Unformatted text preview: CHM 114B Exam 1 Problem Set A (Turn in BOTH your scantron and problem set.) 10:40- 11:55 AM Sept. 12 Name___________________________________ ASU afFliate ID Number___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The formula for the compound formed between aluminum ions and phosphate ions is __________. A) AlPO 4 B) Al(PO 4 ) 3 C) AlP D) Al 2 (PO 4 ) 3 E) Al 3 (PO 4 ) 3 1) Answer: A 2) Which of the following reactions will not occur as written? A) Ag (s) + KOH (aq) → K (s) + AgOH (aq) B) Co (s) + 2HI (aq) → H 2 (g) + CoI 2 (aq) C) Co (s) + 2AgCl (aq) → 2Ag (s) + CoCl 2 (aq) D) Sn (s) + 2AgNO 3 (aq) → 2Ag (s) + Sn(NO 3 ) 2 (aq) E) Zn (s) + Pb(NO 3 ) 2 (aq) → Pb (s) + Zn(NO 3 ) 2 (aq) 2) Answer: A, C 3) You have a stock solution of 14.2 M NH 3 . If 25.0 mL of the stock solution is diluted to a Fnal volume of 0.500 L, the concentration of the diluted solution is __________ M. A) 0.284 B) 284 C) 710 D) 1.41 E) 0.710 3) Answer: E 4) An element that appears in the lower left corner of the periodic table is __________. A) deFnitely a non- metal B) either a metal or metalloid C) deFnitely a metal D) either a metalloid or a non- metal E) deFnitely a metalloid 4) Answer: C 5) Which solution contains the largest number of moles of chloride ions?...
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This note was uploaded on 03/24/2009 for the course CHM chem 114 taught by Professor Dongseo during the Fall '06 term at ASU.
- Fall '06