Question Items: chemical formula

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FormulaFromComp01

Multiple choice question Lactic acid is the substance that makes your muscles burn when you've been exercising hard. Lactic acid is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by weight. If it has a molar mass of 90 g/mol, what is its m ...

Multiple choice question - Anonymous - 01/27/2010 - 20:04 - 0 comments - 0 attachments - 1 group

CombustionAnalysis01

Multiple choice question While working in the lab, you find a bottle of white powder labeled "analgesic compound #5." Since the original investigator neglected to record the identity of the substance, you decide to perform a combustion analysis to id ...

Multiple choice question - Anonymous - 01/27/2010 - 20:03 - 0 comments - 0 attachments - 1 group