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Question: $25ml$ of $3.0M\ HN{{O}_{3}}$ are mixed with $75ml$ of $4.0M\ HN{{O}_{3}}$. If the volumes are additive, the molarity of the final mixture would be



1) $3.25M$
2) $4.0M$
3) $3.75M$
4) $3.50M$
Solution: Explanation: No Explanation
Methods of expressing concentration of solution

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