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siniylev [52]
2 years ago
10

A solution is prepared by dissolving 117 grams of salt (NaCl) in 250 milliliters of water (H₂O). What is

Chemistry
1 answer:
stiv31 [10]2 years ago
8 0

Taking into account the definition of molarity, the molarity of the solution is 8 M.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

Molarity=\frac{number of moles}{volume}

Molarity is expressed in units \frac{moles}{liter}.

<h3>Molarity of the solution in this case</h3>

In this case, you know:

  • number of moles= 117 grams×\frac{1 mole}{58.45 grams}= 2 moles, where 58.45 \frac{grams}{mole} is the molar mass of NaCl
  • volume= 250 mL= 0.250 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

Molarity=\frac{2 moles}{0.250 L}

Solving:

<u><em>Molarity= 8 </em></u>\frac{moles}{liter}<u><em>= 8 M</em></u>

Finally, the molarity of the solution is 8 M.

Learn more about molarity:

brainly.com/question/9324116

brainly.com/question/10608366

brainly.com/question/7429224

#SPJ1

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