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why do we not need to determine the exact volume of water needed to make the...

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Chemistry

why do we not need to determine the exact volume of water neededto make the solution with the KHP in the standardizationtitration?

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4.2 Ratings (614 Votes)
Hi First we will understand why KHP is used Many analytical procedures involve comparison of an unknown with a standard A standard is usually a solution whose composition concentration is known very precisely and accurately Unfortunately NaOH is not a suitable primary standard Solid NaOH is highly hygroscopic it absorbs water from the air and thus it cannot be accurately weighed It also absorbs carbon dioxide from the air forming sodium carbonate and thereby reducing the amount of sodium hydroxide present This    See Answer
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