Find the absorbance that gives a negative concentration
Assume that you carry out an analytical procedure to generate a calibration curve. Then you analyze an unknown and find the absorbance that gives a negative concentration for the analyte. What does this mean?
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What is the concentration of H2S in mg/L when the hydrogen sulfide, which is extremely toxic to humans, can be detected at a concentration of 2.00 ppb and which is having the density of air is1.2929 g/L.
The main office of the franchise restaurant chain desires to be capable to predict what sales may be at proposed new locations for restaurants, based on what they've learned from their several hundred existing restaurants. What statistical approac
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Explain what will be the result if a student extracts first with NaOH then with NaHCO3. Explain why are the acidification steps necessary after the two extractions?
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