Cuántos gramos de cloruro de potasio y de agua se necesitan para formar 250 gramos de una solución al 5 %?

Motivation cannot be developed with practice; a person either possesses it or they do not.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together