Posted by Peter on Friday, January 16, 2009 at 10:40pm.
Most polar substances will not mix with most non-polar substances.
how could i describe that in my lab report for the results and conclusion?
Did you do an experiment? Did you get results? Did you observe non-polar substances dissolving in polar solvents and vice versa? Results and conclusions come from your experimental observations. Hopefully they will agree with the general theme that "like dissolves like."
YES THAT NONE OF THEM COMBINES TOGETHER
If your experimental results don't disagree with the general statement, then why not write, "Polar solvents dissolved polar compounds and did not dissolve non-polar compounds while non-polar solvents dissolved non-polar compounds and did not dissolve polar compounds." That's a little wordy and a long sentence but you can edit it to make it sound better.
how could i list them in a chart?
I can't make spaces so I will use dashes to separate columns.
----polar solvent--- for example water
solute--p--n/p-- soluble(Y/N)
NaCl----x-- n/a-- Y
KCl ----x-- n/a-- Y
NaHCO3--x-- n/a -- Y
fat-----n/a--x---- N
The above is an example of a able that could be made for one of the polsr solvents. the x marks or a check mark to indicate it is polar or non-polar and a n/a (not applicable) or just leave it blank if you have marked it as polar. Then y or n for soluble or not soluble. A similar chart could be made for non-polar solvents. I don't know the extent of your experiment or what you used as solvents but you may be able to take this idea and distill it to something useful.
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