Mole fraction of the potassium iodide
Exactly 56 grams of sodium sulfate, 51 grams of potassium iodide, and 48 grams of barium perchlorate were dissolved in 500 mL of water. What is the mole fraction of the potassium iodide?
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A airplane flies directly away from you. If you perceive its engine sound at 82 % of the emitted frequency, the plane's speed is:
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If all ionic substances are completely ionized, the aqueous solution with the? lowest freezing point would be?
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Benzene freezes at 5.45oC. The Kf for benzene is - 5.07 oC/m. What would be the freezing point of a 0.210m solution of octane in benzene?
What will be the final temperature. The specific heats of ice and water are 2.09 and 4.184 J/g.°C, respectively. The heat of fusion for water is 334 J/g.
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