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- How do I calculate beers law? For serial dilutions. I want to look the concentration values from these absorbance readings in order to make a graph of conc vs absorbance. (Assume the first tube has a 1 unit/ml concentration) 1)1.180 2)0.513 3)0.107 4)0.019 5)0.003The vapour pressure of water at blood temperature is 47 Torr. What is the partial pressure of dry air in our lungs when the total pressure is 760 Torr?Count the significant digits in each of these measurements: number of measurement significant digits ? 82300. kg 0.005100 J - 3.0 x 10 -2 kJ/mol -1 3.1 x 10 mL
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- Using the provided data on the activity part, what is the acquired R value? Is it acceptable or not? If not, what laboratory techniques should be improved? Concentration Absorbance 6 3.69267 8 3.69667 10 3.69667 12 3.701 14 3.708 16 3.70867* (10)5. The air quality standard of NO2 is 0.053 ppm. Check to see if the measured NO2 concentration of 85 ug/m' at 10°C and 0.90 atm exceeds the standard.Determine and report the pressure of collected hydrogen gas in atmospheres. Report this result to one more digit than allowed by applying the rules of significant figures. (1 atm = 760 mm Hg, an exact conversion factor.) Determine the moles of hydrogen collected by substituting the appropriate quantities into the ideal gas equation and solving. Report this result to one more digit than allowed by applying the rules of significant figures. Notes: the gas temperature is the same as the listed temperature; R = 0.082057 L-atm/mol-K. Be mindful of units. Determine the experimental atomic mass of Cu. Round this result to the correct number of significant figures. Determine the percent relative error (= ????????????−?h????????? ? 100). The molar mass of Cu is 63.546 g/mol. Mass of copper before electrolysis 6.008 g Mass of copper after electrolysis 5.860 g Volume of H2 collected 58.9 mL Pressure of H2, PH2 720.8 mm Hg Temperature 24.0 oC