The concentration and absorbance data below was collected for compound X.The least squares line for concentration versus absorbance is y = 6.83x + 0.0881.If a sample of compound X of unknown concentration has a corrected average absorbance of 0.6521 (three replicate measurements)calculate the concentration compound X and the uncertainty in the concentration.
Concentration (mg/mL)
Absorbance
0.050
0.4426
0.075
0.5744
0.100
0.7841

Question

The concentration and absorbance data below was collected for compound X.The least squares line for concentration versus absorbance is y = 6.83x + 0.0881.If a sample of compound X of unknown concentration has a corrected average absorbance of 0.6521 (three replicate measurements)calculate the concentration compound X and the uncertainty in the concentration.
  Concentration (mg/mL)
Absorbance
0.050
0.4426
0.075
0.5744
0.100
0.7841

Quizplus · Accepted Answer

The Answer of The concentration and absorbance data below was collected for compound X.The least squares line for concentration versus absorbance is y = 6.83x + 0.0881.If a sample of compound X of unknown concentration has a corrected average absorbance of 0.6521 (three replicate measurements)calculate the concentration compound X and the uncertainty in the concentration.
  Concentration (mg/mL)
Absorbance
0.050
0.4426
0.075
0.5744
0.100
0.7841

The Concentration and Absorbance Data Below Was Collected for Compound