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Stoichiometry for Isotonic Solutions

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A solution of KI in water is .25M. How much water must be added to 50mL of this solution to reduce the concentration to .10M? assume volumes are additive.----2. An isotonic saline is .89% NaCl (w/v). Suppose you wanted to make a liter of isotonic solution of NH4Cl. What weight of NH4Cl would you need?

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The expert examines stoichiometry for isotonic solutions.

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1. Number of moles of KI present in 50 ml of 0.25M solution = 0.25*50/1000 = 0.0125
Suppose the final volume of ...

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