23 i think??? hope i helped!
Answer:
there are 13 moles in the compound
Molar mass of A l 2 (S O 4 ) 3 = 342.15 g/mol
7.2g/ 342.15 g/mol
you can get number of moles.
then multiply that by12
Answer:
monomers
Explanation:
Thousands of molecules are called monomers
QUICK ANSWER
Electrons have a relative mass of 9.1 x 10^-31 kilograms, or 0.51 megaelectron volts. They are a lot smaller than protons and neutrons; and, an electron is roughly 0.054 percent of the mass of one neutron.