Report a molar absorptivity of 4700 l mol^-1 cm^-1 for the thiocyanatoiron(iii) ion. what %t would you expect for a solution that is 1.0 x 10^-4 in thiocyanatoiron(iii) ion, if the path length is 1.00 cm?

%T will be 33.9 %

Explanation:

Given data

molar absorptivity =  4700 L mol^-1 cm^-1

path length = 1.00 cm

concentration ion = 1.0 x 10^-4 M

to find out

What transmittance % T expect

solution

we calculate absorbance by this formula i.e

absorbance = molar absorptivity × path length  × concentration ion

absorbance = 4700 × 1 × 10^-4 × 1

absorbance is 0.47

so %T will be calculated by this formula

absorbance = 2 - log(%T)

so put value here

0.47 = 2 - log (%T)

log (%T) = 1.53

so %T will be 33.9 %

i believe the answer is a

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