Explanation:
Molarity is defined as number of moles of solute in liter of solution.
Whereas number of moles is equal to mass of given substance divided bu its molar mass.
Since molar mass of HCl is 36.46 g/mol. Therefore, calculate the number of moles of HCl as follows.
[tex]Number of moles of HCl = \frac{mass of given}{Molar mass of HCl}[/tex]
= [tex]\frac{25 g}{36.46 g/mol}[/tex]
= 0.686 mol
Hence, molarity of solution will be as follows.
Molarity = [tex]\frac{no. of moles}{volume of solution}[/tex]
= [tex]\frac{0.686 mol}{0.15 L}[/tex]
= 4.573 mol/L
Thus, we can conclude that molarity of a solution that contains 25 g of HCl in 150 mL of solution is 4.573 mol/L.
The molarity of a solution that contains 25g of HCl in 150mL of solution is 4.56M.
Therefore, the molarity of a solution that contains 25g of HCl in 150mL of solution is 4.56M.
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