Chemistry, 25.06.2019 11:30, peachijmin
How many lithium ions are required to bond with one nitrogen ion? why?
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, 22.06.2019 23:00, jolainjoseph01998
What element has similar physical and chemical properties as boron.
Answers: 1
How many lithium ions are required to bond with one nitrogen ion? why?...
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