what is A ( 1 nm) and 2 nm) ? fill the table

Solution	pH	A (1 nm)	A (2 nm)
1	1.35
2	3.98
3	5.72
4	6.10
5	6.45
6	6.89
7	7.13
8	7.69
9	11.40

1.6 1.4 1.2 1.0 Absorbance 0.8 0.6 0.4 0.2 0.0 300 400 700 500 600 Wavelength / nm From trendline of pH versus of log10 ([In]/[Hin]) plot (for solutions 2-8): Equation of fitted line (of type y = mx + c): R2 = Checkpoint #3 From regression analysis (for solutions 2-8): Slope + Intercept + From trendline of pH versus of log10 ([In-]/[Hin]) plot (for solutions 3-7): Equation of fitted line (of type y = mx + c): R2 = From regression analysis (for solutions 3-7): + Slope Intercept + Practical comments (record any significant practical difficulties encountered) I Conclusions