This problem describes a gravimetric titration in which the, Ask an Expert

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This problem describes a gravimetric titration in which the mass of titrant is measured instead of the volume. A solution of NaOH was standardized by titration of a known quantity of the primary standard potassium hydrogen phthalate (KHP) which has a formula of KC8H5O4:

The NaOH was then used to find the concentration of an unknown solution of H2SO4.
Titration of 0.51g of KHP required 36.07g of NaOH solution to reach the endpoint detected by phenolphthalein indicator. Determine the concentration of NaOH expressed as mol NaOH/kg solution. A 11mL sample of H2SO4 was found to require 53.3g of the NaOH solution to reach the phenolphthalein end point. Find the molarity of the H2SO4.

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Category:- Chemistry
Reference No.:- M9860895

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