<span>leave little space between the molecules.</span>
Answer:In the chemical formula Al2(SO4)3, the Al2 means there two aluminium (atoms or ions). The SO4 is a sulfate ion and (SO4)3 means there are 3 sulfate ions. The number 3 before Al2(SO4)3 means there are three times the number of atoms and ions of the chemical formula.
Answer:
Equation 2, because K being more reactive, exchanges position with Pb in PbNO3.
Explanation:
Depend on the amount of matter being measured
