3. You need 2.5 moles of aluminum for an experiment. How many atoms of aluminum is this?
Formula: Al
Molar mass: 24.98
二17.45
2.5 atoms
259 จ
24989
I mol
24.98

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom. 

Answerstrong acids and bases completely dissociate in water.this is how strong acids and bases are defined. they will ionize 100% in solution, making a non-reversible reaction