Jake J.

asked • 02/16/17

Light absorbance vs absorbance confusion?

okay so on my paper i have unknown percentage light absorbance of 19, 20, and 23, and i have an equation of y=mx+b, where y is the absorbance and x is the concentration which i need to find by plugging in the absorbance for y. what confuses me is in the paper it said "20 light absorbance is 80% transmitted, percent absorbed does not equal absorbance" i am stuck because i have percentage of light absorbance of 19,20, and 23, am i suppose to subtract that from 100 and get result of that as my absorbance? but then wouldn't that be transmitted? 

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