Purpose: To produce hydrogen gas and test for its presence.

Apparatus: zinc, hydrochloric acid, stand, balance, one large and one small test tube,

Test tube holder, flame stick, safety equipment.

Procedure: A demonstration of this laboratory activity will be performed for the students. Strict attention to the demonstration is necessary to assure that the proper steps are taken. WARNING, this activity involves the use of acid and the production of hydrogen gas. Both of these substances are dangerous and every caution is to be taken to avoid accidents. Any accidents are to be reported immediatly.

Set up the apparatus as follows: The larger test tube is to be attatched to the stand us

6. How many moles of hydrogen gas were produced?

Some topics in this essay:
Hydrogen Purpose, List Ten, Mass Zinc, Zn Cl2, test tube, Conclusion Answer, hydrogen gas, larger test, larger test tube, hydrochloric acid, zinc hydrochloric, zinc hydrochloric acid, Chemistry Laboratory, -> zn cl2, test tube holder, cl2 + h2, chemical reaction, flame stick, reaction zinc, zn +, moles zinc,