Describe how compounds composed of three atoms can be Polar and Nonpolar using CO2 (Carbon Dioxide) and H2O (Water) as reference

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.