The following is an example of a correctly used Standard Operating Procedure form. Strong inorganic acids are highly corrosive to skin, eyes, and the respiratory system. Avoid skin contact and ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Take care to use the word 'dilute' correctly. It can be used as an adjective to describe the concentration of a solution (as here), or as a verb to describe the process of adding more water to a ...

A cotton swab is dipped into concentrated hydrochloric acid (producing hydrogen chloride gas) while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs ...

a dilute solution contains a relatively small amount of dissolved solute in a given volume a concentrated solution contains a relatively large amount of dissolved solute in a given volume Take care to ...