What is the molarity of 2 moles of a compound dissolved in 4 L of water? A. 2 M
B. 0.5 M
C. 4M
D. 1 M

Explanation:

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

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

Substitute the values into the formula.

Divide.

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.

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

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