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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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What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
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An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid
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What type of change is occurring when water is boiling? a chemical change because new gas bubbles a...
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