Analytical chemistry: How to calculate the sulfur content?

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Analytical chemistry: How to calculate the sulfur content?

0.1277g sample dissolved in 25ml toluene. If the mixture contained 2.14ppm of sulfur content, what is the sulfur level in sample?

2007-04-27 21:23:24 · 2 answers · asked by Amilea 1 in Science & Mathematics ➔ Chemistry

2 answers

25 ml = 25 x 10^6 microlitre

So, S = 25*2.14 = 53.50 micrograms = 0.054 mg

2007-04-27 21:45:24 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

2.14ppm means 2.14 * 10^-6 g/g
then density of the mixture is about 0.866 Kg/L=0.866 g/ml
so the sulfur leverl should be
2.14 * 10^-6 *(25*0.866+0.1277)/.0.1277=365ppm

2007-04-27 21:54:30 · answer #2 · answered by walter 2 · 0⤊ 0⤋