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Acompound is found to contain 6.1% hydrogen and 93.9% oxygen. find it’s empirical formula.
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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What is the subscript for oxygen in its molecular formula
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How many atoms of zirconium are in 0.3521 mol of zirconium?...
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