LABORATORY REVIEW
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Molarity of a given phosphoric acid solution (H3PO4) is 3M. It’s normality is ____ .
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1 N
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2 N
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0.3
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9
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Explanation:
Detailed explanation-1: -So, Normality of H3PO4=3×3=9. Was this answer helpful?
Detailed explanation-2: -An aqueous solution of phosphoric acid, H3PO4 being titrated has molarity equal to 0.25 M.
Detailed explanation-3: -Hence, 2 M solution of phosphoric acid ( H3PO4) is 6 N for an acid-base titration.
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