Pls help I don’t understand at all
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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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When the mercury level in a barometer decreases that atmospheric pressure has
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