Chemistry, 28.07.2019 07:00 MelissaSmartypants
Caffeine's molecular formula is c8h10n4o2. the molar mass of caffeine is 194g/mol. what is the percentage of carbon in caffeine
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Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
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Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
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If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
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Caffeine's molecular formula is c8h10n4o2. the molar mass of caffeine is 194g/mol. what is the perce...
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