A solution is made by dissolving 96.2 g of HI in 3.75 liters of water at 90^\circ C. Given that...

Question:

A solution is made by dissolving 96.2 g of HI in 3.75 liters of water at {eq}\displaystyle 90^\circ C {/eq}. Given that the density of water at this temperature is {eq}\displaystyle 0.9585 \dfrac{g}{ml} {/eq}, find the following:

a) Molarity

b) Molality

Molarity vs. Molality

While both molarity and molality measure the concentration of a solute in a given solution, they express this concentration differently. Molality expresses the concentration in terms of moles of solute per kilogram of solvent while molarity expresses the concentration in terms of moles of solute per liter of solution.

Answer and Explanation: 1

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We are given the following:

  • 96.2 g of HI in 3.75 liters of water at {eq}\displaystyle 90^\circ C {/eq}
  • The density of water at this temperature is...

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Calculating Molarity and Molality Concentration

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Chapter 8 / Lesson 4
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What is molarity? What is molality? Compare molarity vs molality by viewing molality and molarity formulas, how to calculate molarity and molality, and examples.


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