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how do I plot absorbance vs concentration and transmittance %T vs concentration on the same graph??
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I would plot A vs C normally. Then for %T vs C, I would read the %T I wanted, convert to A (A = log 100/%T), and plot.
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The regression line from a plot of absorbance vs. concentration yields: 𝐴 = 2.31[𝐶] + 0.002. If the absorbance of an
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To find the concentration [C] using the regression line equation A = 2.31[C] + 0.002, we need to
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The regression line from a plot of absorbance vs. concentration yields: 𝐴 = 2.31[𝐶] + 0.002. If the absorbance of an
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A = 2.31C + 0.002 0.123 = 2.31C + 0.002 (0.123-0.002)/2.31 = C You solve it.
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A standard solution with a FeSCN2+ concentration of 1.55x10^-4M has a percent transmittance (%T) of 18.8%. Another solution of
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A = log 1/T Use A1 = kc1. Substitute A1 and c1 and solve for k. Then A2 = kc2. Substitue A2 and k
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To calculate the absorbance (A) of each solution, we can use the formula: A = -log10(%T/100) A)
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If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+),
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.065 = .15 x + .01 .15 x = .055 x = 5.5/15
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okay you talked about using a graph and we made one so this is the formula from it.
y = 2.2019x y = absorbance x= concentration
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Yes, or if you have a graph you should be able to read the concn directly from the graph without any
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If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+),
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y = 0.15x + 0.010 y = 0.065 so 0.065 = 0.15x + 0.010. Solve for x. 0.065 - 0.010 = 0.055 = 0.15x so
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How would you get the concentration(ppm) of a sample from absorbance?
Absorbance of standard = 2.55 Absorbance of sample = 2.31
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If the calibration curve for a Beer's Law plot of a protein assay had a slope of 0.433 when absorb acne, A, was plotted as a
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To find the concentration of protein in the unknown sample, we can use the equation for Beer's Law:
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If the calibration curve for a Beer's Law plot of a protein assay had a slope of 0.433 when absorb acne, A, was plotted as a
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Should say absorbancy *, A, was plotted.. My phone autocorrected the word.
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