Chemistry, 27.07.2019 15:00 kylahwells
How is oxygen different from the other four elements in group 16?
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According to the tide table below what time of day will the highest tide occur?
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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.
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Chemistry, 23.06.2019 00:20
What type of context clue you understand the meaning of quandary?
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How is oxygen different from the other four elements in group 16?...
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