An acidic solution of methyl red has an absorbance of 0.451 at 530 nm in a 5.00 nm cell. Calculate the molarity of methyl red in this solution.
[Molar absorbtivity = 1.06 x 10⁵ Lmol⁻¹ cm⁻¹ at 530 nm]
a. 2.13 x 10⁻⁶ M
b. 4.26 x 10⁻⁶ M
c. 8.51 x 10⁻⁶ M
d. 1.05 x 10⁻⁵ M
