Chemistry, 20.10.2020 05:01 annamariaafowyhrq
Engineers create a new metal that i stronger than steel but much lighter
Answers: 1
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, 23.06.2019 01:00, Angelofpink1143
If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1
Answers: 1
Engineers create a new metal that i stronger than steel but much lighter...
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