Answer:
(we use hess's law) it is so simple but the second reaction is not correct please right it
Conductive when liquid - ions are charged particles, but ionic compounds can only conduct electricity if their ions are free to move. So ionic compounds do not conduct electricity when they are solid, but they do conduct electricity when they are dissolved in water or when they are melted.
The answer to your question would be D Volumetric Flask
Answer:
d is the answer bc I know it is the answer