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Science-Related Homework Help Chemistry Topic started by: smmoh4 on Feb 15, 2013



Title: What color is the substance when sodium hydroxide reacts with sulphuric acid then phenolphthalein is put in?
Post by: smmoh4 on Feb 15, 2013
What color is the substance when sodium hydroxide reacts with sulphuric acid then phenolphthalein is put in?


Title: What color is the substance when sodium hydroxide reacts with sulphuric acid then phenolphthalein is put in?
Post by: tosia on Feb 15, 2013
It depends on the amounts and concentrations of the base and the acid.  If you have excess acid then it will be colorless, but if the acid is the limiting reagent, then the solution will remain basic and the color of the indicator will be pink.