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How many moles of Na2SO4 are present in 284.078 grams of Na2SO4
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The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?
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Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
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Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
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The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong
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How many moles of Na2SO4 are present in 284.078 grams of Na2SO4...
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