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I have to find the concentration of a solution given the volume and molarity of the...

I have to find the concentration of a solution given the volume and molarity of the first solute, and the volume of the second solute. I have to create a Beer's Law Plot with this information for a lab report I'm doing. I also have the absorbance.

Solution 1: Volume of 5*10^-5 M Allura Red (mL) is 7.50, volume of H2O is 0mL, and the absorbance is 1.207.

Solution 2: Volume of 5*10^-5 M Allura Red 6 mL, vol of H2O is 1.5 ml, and the absorbance is 1.127.

Solution 3: Volume of 5*10^-5 M Allura Red 4.5, vol of H2O is 3 ml, A=0.862

Solution 4: Volume of 5*10^-5 M Allura Red 3, vol of H2O is 4.5 ml, A=0.473

Solution 5: Volume of 5*10^-5 M Allura Red 1.5, vol of H2O is 6 ml, A=0.259

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