Question

calculate the number of atoms in 46g of na​

Answer 1

Explanation:

Answer. the number of atoms present in sodium-23 = number of moles of sodium-23 * Avogadro's number.

Answer 2

Explanation:

mole = given mass / molar mass

= 46/23

= 2 moles

no.of atoms = moles × avagadro no.

= 2 × 6.023 ×10²³

= 12.046 × 10²³ atoms