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Quiz 2 - [4 Final Answer 2 A piece of lead(with a density...

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Chem. 212 - Quiz #2 WINONA STATE UNIVERSITY Sep. 15, 2006 (01/02/03) Dr. Ng Name _____________________________________ Signature ______________________ Box#_______ P R I N T ( L A S T , F I R S T ) Instructions: Follow rules of sig. figs. Show your work for full credits. Box final answer(s) with appropriate unit(s). 1. Convert 325 kmol cm to ? mol m -2 -2 [Provide your final answer in conventional scientific notation.]
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Unformatted text preview: [4] Final Answer: 2. A piece of lead (with a density of 1.19x10 mg cm ) was dropped into 27.3 mL of water in a 4-3 graduated cylinder. The final volume reading was 35.2 mL. How many micrograms of lead was used? [ 1 cm = 1 mL ] Provide your final answer in conventional scientific notation. 3 [6] Final Answer:...
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