Answer:
Standardisation is used to determine the concentration of a volumetric solution in order to achieve accurate and reliable titration results
It is avogrado number. One molecue of magnesium has 6.023 x 10^23 atoms
EVERYDAY MANS ON THE BLOCK. Lol its 4. You got this from Mans Not Hot, didn't you? xD
If the states of matter have changed such as from solid to liquid, you have to remove or add energy.
