Chemistry, 17.06.2020 10:57, jaylanmahone223
How many grams of sodium nitrate are needed to make 2.50L of 1.12m solution
Answers: 3
Chemistry, 22.06.2019 14:00, hammackkatelyn60
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 22.06.2019 19:00, cindyroxana229
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
Answers: 3
How many grams of sodium nitrate are needed to make 2.50L of 1.12m solution...
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