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Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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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 09:30
How many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.
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Complete the following combustion reaction.
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