PLEASE HELP
Which diagram represents a gas that has been ionized?

What is the mass of sodium in 3 moles of sodium chloride

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)

In the reaction between a crushed antacid tablet and vinegar what gas is emitted