whats is the molarity of a .1% Auxin solution?

Question

what is the molarity of a .1% auxin (IAA) solution. It also said noted that .1%=1g/L. THe formula weight of IAA is 186. So what is the molarity? I got an answer, and I just want to make sure it is correct! Thanks

Answer 1

Percent solutions: A 1% solution is 1g per 100mls,
A 0.1% solution is 0.1g /100mls.
which is 1g/L.
but a molar solution is 186g/L.
The molarity of a 0.1% auxin (IAA) is 1/186M.
0.00537M (ans).