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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.
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Chemistry, 22.06.2019 21:00, lalaween098
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 23.06.2019 03:00, Cheyenne7327
Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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