Fill in the blank: The Law of Conservation of Mass states that the mass of a reaction stays the before and after the chemical reaction takes place.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of