Chemistry, 12.03.2020 00:12 BrianKeokot7700
Explain why there has to be a trade-off in purity vs. recovery in the purification of an organic solid by recrystallization depending on the volume of solvent used
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There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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Chemistry, 22.06.2019 15:00
Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.
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Nan element’s square on the periodic table, the number with the greatest numerical value represents the
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Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature
Answers: 3
Explain why there has to be a trade-off in purity vs. recovery in the purification of an organic sol...
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