Question: (8 pts) Here are the calibration data for the flame atomic absorption analysis for phosphorous: mg P/L absorbance 2130 0.048 4260 0.110 6400 0.173 8530

(8 pts) Here are the calibration data for the flame atomic absorption analysis for phosphorous: mg P/L absorbance 2130 0.048 4260 0.110 6400 0.173 8530 0.230 To determine the purity of a sample of Na,HPO, a 3.123-8 sample is dissolved and diluted to volume in a 100-ml. volumetric flask. Analysis of the resulting solution gives an absorbance of 0.171. What is the purity of the Na HPO,7 Use Excel to plot the calibration line and to find its parameters. Explain your calculations

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