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An element consists of 1.40% of an isotope
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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An element consists of 1.40% of an isotope...
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