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Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
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Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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How much does 3.98 gallons of water weigh in grams. Assume at room temperature that exactly one mL o...
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