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## Homework Statement

https://www.physicsforums.com/attachments/76905

https://www.physicsforums.com/attachments/76906

## Homework Equations

3. The Attempt at a Solution [/B]Hi I have a question on Braford Assay:

I am given this question:

I did the caluclation as follows:

y = 66.717x

Since given absorbance = 0.562

0.562 = 66.717x

x = 0.00842ug/ul

But the answers given is 0.168mg/ml

I do not know what I did wrongly? Can anyone please help? Thanks!

My answer and the correct answer differ by a factor of 20? Why is that so?

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