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zhannawk [14.2K]
3 years ago
15

What is the molarity of 2 moles of a compound dissolved in 4 L of water?

Chemistry
1 answer:
Akimi4 [234]3 years ago
4 0

Answer:

\boxed {\boxed {\sf  B. \ 0.5 \ M}}

Explanation:

Molarity is a measure of concentration in moles per liter. The formula for calculating molarity is:

molarity= \frac{moles \ of \ solute}{ liters \ of \ solution}

There are 2 moles of a compound or the solute. There are 4 liters of water or the solution.

  • moles of solute= 2 mol
  • liters of solution = 4 L

Substitute the values into the formula.

molarity = \frac{ 2 \ mol}{ 4 \ L}

Divide.

molarity= 0.5 \ mol /L

1 mole per liter is equal to 1 Molar, so the solution's molarity of 0.5 mol/L is equal to 0.5 M.

molarity = 0.5 \ M

The molarity of the solution is 0.5 Molar and choice B is correct.

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