Question

what weight of Sodium contains the same number of atoms as those in 8 grams of oxygen​

Answer 1

Answer:

Atomic weights of sodium and oxygen are 23 g/mol and 16 g/mol respectively. 8 g oxygen =8 g16 g/mol=0.5 = 8 g 16 g / m o l = 0.5 moles of oxygen atoms. Number of moles of sodium = number of moles of oxygen atoms = 0.5.