Determine the molarity of each solution: 1.78 mol of LiCl in 32.9 L of solution 0.104 mol of...

Question:

Determine the molarity of each solution: 1.78 mol of LiCl in 32.9 L of solution 0.104 mol of LiNO3 in 6.8 L of solution 0.0359 mol of glucose in 70.2 mL of solution

Molarity:

Molarity refers to the concentration of moles which are present in solution. The value of molarity can be found by dividing the mole of the solute with the volume of the solution.

Answer and Explanation:

{eq}\begin{align} *\text{1.78 mol of LiCl in 32.9 L of solution } \\ Molarity &= \frac{moles \ of \ solute}{litre \ of \ solution}\\ &= \frac{1.78}{32.9} \\ &= 0.055M \\ *\text{0.104 mol of LiNO3 in 6.8 L of solution} \\ Molarity &= \frac{moles \ of \ solute}{litre \ of \ solution}\\ &= \frac{0.104}{6.8} \\ &= 0.016M \\ *\text{0.0359 mol of glucose in 70.2 mL of solution} \\ Molarity &= \frac{moles \ of \ solute}{litre \ of \ solution}\\ &= \frac{0.0359}{0.0702} \\ &= 0.52M \\ \end{align} {/eq}


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What is Molar Mass? - Definition, Formula & Examples

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Chapter 27 / Lesson 24
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