There are
4.517
⋅
10
23
atoms of Zn in 0.750 mols of Zn.
The answer is B
If one circuit fails, it is most likely that all the components in the circuit will fail.
Because neither can be created or destroyed
The chemical formula for the product is RbBr.
If the arrangement of atoms in a substance changes, then the overall chemical properties and reactivities of that particular substance changes as well.