What is a chemical change? A: Change in liquid in which a gas forms.
B: Change in matter in which a new matter forms.
C: Change in a solid in which a new liquid forms.

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

Answer it is also known as the completion state is untrue of the activation complex;