Answer : The volume of HBr solution used should be, 0.125 L.
Explanation :
Formula used :
[tex]M_1V_1=M_2V_2[/tex]
where,
[tex]M_1\text{ and }V_1[/tex] are the molarity and volume of HBr solution.
[tex]M_2\text{ and }V_2[/tex] are the molarity and volume of diluted HBr solution.
We are given:
[tex]M_1=0.5M\\V_1=1.5L\\M_2=6.0M\\V_2=?[/tex]
Putting values in above equation, we get:
[tex]0.5M\times 1.5L=6.0M\times V_2[/tex]
[tex]V_2=0.125L[/tex]
Therefore, the volume of HBr solution used should be, 0.125 L.
