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Web3 much more soluble in CH2Cl2 than in H2O so any caffeine present goes into the CH2Cl2 layer. Use a Pasteur pipet to transfer most of the lower CH2Cl2 layer to a small test tube. Add a few CaCl2 pellets to this tube and let stand for 5-10 minutes – the solution should clear up as the CaCl2 absorbs any remaining water (“ dries the solution” ). Use this solution WebThe refractive index of a material is a measure of the change in the speed of light as it passes from a vacuum (or air as an approximation) into the material. \[n=\frac{v_{1}}{v_{2}}\] In the ... body count surviving the game
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