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    I did three repeats synthesising sulfanilamide from aniline and in the first synthesis I used aniline that I later discovered had gone off. It was a lot more viscous than aniline should be which I didn’t realise until using fresh one. Anyways, I’m just wondering if it will be more dense since it was more viscous? I know density and viscosity aren’t directly related and some substances are less dense but more viscous, but what affect does increasing viscosity have on the density of the same substance?
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    yes the lower the viscosity the lower the density.
 
 
 
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