If a 0.320 mM solution of MnO41- has an absorbance of 0.480 at 525 nm in a 1.000 cm cell. What is the concentration of a MnO41-

Question

3 years ago

8

solution that has absorbance of 0.490 in the same cell at that wavelength?

1 answer:

larisa [96] · Answer 1 · 2022-04-22T08:24:31+03:00

3 0

Answer:

Hence the concentration of a MnO41- solution that has absorbance of 0.490 in the same cell at that wavelength is 0.3266.

Explanation:

Now A = el, el=const

Then,

$A2 / A1 = C2/ C1\\\\0.49/ 0.48 = C2 / 0.32\\\\C2 = 0.3266$