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questions!!!!

stupidkid
in Biology

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I need help!

 

Does anyone know about the experiment where you use agar blocks and sulfuric acid to demonstrate diffusion?

 

What is the evidence of outward diffusion?

 

and with kite diagrams, what do you do if you have no values for a few of the sections, do you just forget it and keep drawing your line from the last point to the next point that you have a value for?

may be you need to stain the sulphuric acid to demostrate it diffuse on the agar block, by universal indicator, or any other stain, I think.

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