Chem Lab Writing Assignment #11.Pictures of and description of some equipment and glassware.Balances are used to calculate the mass of an using very high precision.Graduated cylinders are used to measure the volume of a liquid.Beakers are usually used when you need to mix or heat liquids.Rubber stoppers are small plugs used to clog an opening mainly on test tubes or flask.2.How to use/description of volumetric flask and buret.When you need a higher level of accuracy you use a volumetric flask. The flask has a long skinny neck with a round bottom. You add your solute to the solution then after you have enough solvent that it reaches the marked line you use the meniscus of the solution to determine where your endpoint is. Burets are used to move one reactant to the next. You use the stockcapto control the flow and a funnel to let it flow out freely.
3.4.There are two compounds one contains neurotoxins the other one is a food