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Chem 1P Fall2009 Exam 3
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For #1-6, 1pt for the conect answer; 1pt for showing work. (2pt) 1. A 20.0-9 sample of HF is dissolved in water to give 200. mL of solution. The molarity of the solution is:
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2, A 2g0.0 mL sampte of aqueous
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3. Mixing 40.0 mL of 4.00 M sodium chloride solution with 20.0 mL of 5.00 M calcium chloride solution results in I sBlt1ti91 +,1--*a4lsalule [A fol-+tolSblule with a chloride ion concentration of (2pt) lul=-ffi-
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5. How many' mL of 0.10 M NaHCOg solution can be made usinq a,0.35g sample of NaHCOT? (2pt) ,1? g,\n l)*L\t'a, = o.l"l Dai\{,o; \levru{rerarSglor
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6, What volume of - 0.500 M Ba(NOs)z solution is needed to prepare 250.0 mL of a solution that is 0,200 M in nitrate? (2pt)
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[A]50,00 mL 18125.00 mL [C]75,00 mL
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