Chemistry High School

a solution of hydrochloric acid contains 1.5 moles of the solute in 2.0 liters of solution. calculate the molarity of this solution

Answers

Answer 1

Answer:

0.75 M

Explanation:

Molarity = moles of solute / liters of solution

so;

Molarity = [tex]\frac{1.5 Moles}{2.0 Liters}[/tex]

Answer 2

According to molar concentration, the molarity of this solution is 0.75 molar.

What is molar concentration?

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.Substitution in formula gives, molarity= 1.5/2=0.75 M

Thus, the molarity of this solution is 0.75 molar.

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