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What mass of ethylene glycol (antifreeze, MW = 62.1 g/mol) must be added to 10.0 liters of water to produce a solution that freezes at -23.3 ºC? The density of water is 1.00 g/mL and Kf = 1.86 ºC/m.
A. 7.78 kg
B. 26.9 kg
C. 0.406 kg
D. 12.5 kg
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Consider the following reaction. A (g) + B (g) → C (g) + D (g) *In one experiment the concentration of A (g) was monitored in the presence of a large excess of B (g) ( [B] o = 0.750 M ) . Time (s) [A] (mol/L) 0.00 6.00 ...
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Upon decomposition, one sample of magnesium fluoride produced 2.55 kg of magnesium and 3.99kg of fluorine. A second sample produced 1.40 kg of magnesium. How much fluorine (in grams) did the second sample produce?
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Calculate the volume in milliliters of a 1.8 mol/L iron(II) bromide solution that contains 150.g of iron(II) bromide FeBr2. Round your answer to 2 significant digits.
As your book describes, the United States did not recognize foreign copyrights until the late 1800s. As a result, U.S. publishers routinely published foreign works without permission or compensation for the non U.S. auth ...
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