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Choose all of the following that are true about the endpoint of a titration with 1:1 stoichiometry using phenolphthalein indicator.
a)The amount of analyte equals the amount of titrant added.
b)The solution will change from colorless to a faint pink color that lasts 30 seconds or so.
c)The amount of analyte is twice the amount of titrant added.
d)The amount of analyte is half the amount of titrant added.
e)The solution will change from colorless to a bright pink.

Sagot :

aamirmajeed5100

The following are correct about the endpoint of a titration

a)The amount of analyte equals the amount of titrant added.

b)The solution will change from colorless to a faint pink color that lasts 30 seconds or so.

d)The amount of analyte is half the amount of titrant added.

e)The solution will change from colorless to bright pink.

The endpoint of a titration is the point at which the reaction between the reactants is complete, resulting in the formation of a precipitate, color change, or another measurable indicator. The endpoint is typically determined by an indicator, a compound that changes color at a certain pH.

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