CHEM 116 Final Exam with answers.

CHEM 116 Final Exam with answers |\ |\ |\ |\ |\




A solution is made by mixing 37.8 mL of 0.354 M CaI2 and
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36.7 mL of 0.288 M AlI3. What is the concentration of I- in
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the resulting solution? - CORRECT ANSWERS ✔✔7.85 ×
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10-1 M |\




Which of the following is a solution?
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-paint
-fog
-blood
-brass
-none of the above - CORRECT ANSWERS ✔✔brass
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Salt in water
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Sugar in water |\ |\




Alcoholic drinks (alcohol in water) |\ |\ |\ |\




Tea
Oxygen in water |\ |\




....are examples of what? - CORRECT ANSWERS
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✔✔solutions

, Which of the following is a solution? |\ |\ |\ |\ |\ |\




-bronze
-glass
-gold
-air
-all of above - CORRECT ANSWERS ✔✔all of the above
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What is the expected vapor pressure when 58.9 g of
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hexane (C6H14) is mixed with 44.0 g of benzene (C6H6)
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at 60.0 °C?
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Vapor pressure of pure hexane at 60 °C is 573 torr.
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Vapor pressure of pure benzene at 60 °C is 391 torr. -
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CORRECT ANSWERS ✔✔3. VP=491 torr |\ |\ |\ |\




A solution contains .550 moles of CH3CN (P=81torr at
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23C) and .350 moles of C3H6O (P=184.5 torr at 23C). The
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vapor pressure of the solution at 23C is? - CORRECT
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ANSWERS ✔✔121 torr |\ |\




Find the molarity of 21.4 m HF. This aqueous solution has
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a density of
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1.101 g/mL. - CORRECT ANSWERS ✔✔4. 16.5 M HF
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