The answer is 3. As 5 * 3 = 15.
Is there any other equations I may be able to help you with? :)
Answer:The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol).
The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of the constituent atoms.
Explanation:
B is the correct answer to select
I'm preatty sure it is in the periodic table xxx
