Question

calculate the total number of neutrons present in 4.6 grams of element sodium ​

Answer 1

Answer:

gram atoms (moles) =

given mass ÷ atomic mass.

given mass =4.6 gram

atomic mass of Na =23

4.6 divided by 23

= 0.2 moles or gram atoms

number of atoms = number of mole *Avogadros number of( Na)

= 0.2 *6.023*10 ki power 2and *3