Answer :

D3xt3R
Molar concentration is

[tex]C=\frac{\eta}{V}[/tex]

[tex][V]=Liters[/tex]

[tex][\eta]=mol[/tex]

[tex]\eta=C*V[/tex]

[tex]V=25~mL=0.025~L[/tex]

[tex]\eta=1.5*0.025[/tex]

[tex]\boxed{\boxed{\eta=0.0375~moles}}[/tex]