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The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
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Briefly summarize the evolution of the atmosphere, starting with the formation of Earth and ending w...
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