Answer:
To calculate the molarity of a solution, you divide the moles of solute by the volume of the solution expressed in liters.
Explanation:
To obtain the molarity of a given solution, we must know the mole of solute and the volume of solution
This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
For example, 0.5 mole of a solute is dissolved in water to make 0.7 L of solution. Calculate the molarity.
The molarity of the solution can be obtained as follow
Molarity = mole / Volume
Molarity = 0.5 / 0.7
Molarity = 0.71 M
From the above illustration, we can see that the mole of solute and volume of the solution is needed to obtain the molarity.
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