Chemicals 0.5M HCl Magnesium turnings Prior to Lecture (prep time ~ 20 min.) 1. Prepare 800mL of 0.5M HCl. A carboy of 0.5M HCl is already prepared in the demo room. Recipe: Add 33mL of 12M HCl to ...

IntroductionA 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 ...