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JEE Main Chemistry question

ChemistryEquilibriumJEE Main

A buffer solution of pOH=4.25 is prepared from 1 M and 1 M solution. What is the value (in mL) of in one litre of this buffer solution? ( of ) ()

Answer: 240

Solution

pOH = + ⇒ 4.25=4.75+()

()=-0.5 ⇒ ==0.316

Since both are 1 M stock solution

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Question ID VK-136617