The melting point of the crude producn

Many operations in the chemical laboratory use “salting out” in the procedure. What do the purpose of this technique?

Lab #10 - Isolating Milk Protein - Post-Lab Questions percent yield be higher or lower? Explain. 1. If you did not squeeze out all of the liquid from your casein, would your calculated percent Yeild would be higher the mass the take it by 100 So will your Of castin the casin each other your final # 1 lt 2. Why is the raw egg used as an antidote in cases of heavy metal poisoning such as lead poisoning? Explain in your own words. They are used because insolvable sold is formed protein-heavy metal precipitate, that must be removed an from the stomach before the gastric acid denatures the proteins metal tree again. sets the OVEY mass of book 4444 Mvi fil- toy # is big mo than it should be, heavy 3. Why does fresh milk curdle when vinegar or lemon juice is added? Explain in your own words. When milk is too acidic, the negative charge on becomes neutralized. Rather than pushing against Starts 10 clump. H 1 be ease yo 4. a) The molecule below is a/n: amino acid dipeptide tripeptide (circle…

Which of the following statements is true when considering temperature during a recrystallization? More than one answer may be correct. Using ice to cool the sample will speed up the crystallization process so that large crystals will be formed. It is important that the sample is dissolved in just enough hot solvent. O Ideally the hot solvent used will keep the impurities dissolved OR not dissolve them at all. Enough cold solvent should be added to dissolve the sample BEFORE heating it past its boiling point.