Chemistry, 07.10.2020 15:01 tiffanibell71
Why can’t we see distinct lines when the metal salts are burned
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Chemistry, 21.06.2019 19:30
Si una estrella no tiene paralaje medible, ¿qué puedes inferir?
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How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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Chemistry, 22.06.2019 14:00
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
Why can’t we see distinct lines when the metal salts are burned...
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