Four organic compounds: 2-butanone, n-pentane, propanoic acid, and n-butanol, present as a mixture, are separated by column chromatography using silica gel with benzene as the eluent. what is the expected order of elution of these four organic compounds from first to last? a. n-pentane β 2-butanone β n-butanol β propanoic acid b. n-pentane β n-butanol β 2-butanone β propanoic acid c. propanoic acid β n-butanol β 2-butanone β n-pentane d. propanoic acid β 2-butanone β n-butanol β n-pentane
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Chemistry, 21.06.2019 23:00
Select the correct answer. given: 2libr + ba β babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol
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Chemistry, 22.06.2019 23:00
What is the measured amount of a product obtained from a chemical reaction?
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Chemistry, 23.06.2019 06:30
Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.
Answers: 1
Four organic compounds: 2-butanone, n-pentane, propanoic acid, and n-butanol, present as a mixture,...
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