An excess of sodium hydroxide is treated with 5.5 L of dry hydrogen chloride gas measured at STP. What is the mass of sodium chloride is formed? You must write a balanced equation for this reaction first. Must show all work.

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false