Explain why 4% KOH solution(w/v) and 6% urea solution(w/v) are equimolar but not isotonic.
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https://www.meritnation.com/ask-answer/question/4-naoh-w-v-and-6-urea-solution-w-v-are-equimolar-but-no/chemistry/7726235
https://www.meritnation.com/ask-answer/question/4-naoh-w-v-and-6-urea-solution-w-v-are-equimolar-but-no/chemistry/7726235