calculate the nitrite level in the undiluted sample taking into account the dilu

Question

calculate the nitrite level in the undiluted sample taking into account the dilution factor ??
calculate a relative spread for the absorbance values of the two diluted samples to indicate the precision if the test ??

Ano table to record this data is detailed below (remember to give the table a title): Table .. Igive title) 540 nm (absorbance o Nitrite Solution (mg L-1) each soluh on Absorbance 0.00 1.00 2.00 4.00 0 0858 D , 194 Diluted sample 1 0 1153 0 232V Diluted sample 2 Diluhion Tautor s Diluhon tautor

Explanation / Answer

nitrite level in the undiluted sample = concentration in solution x dilution factor

= 6 /5

=1.2 mg-l

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