Question

how many moles
are
present of sodium atoms
in 2.3g Na?
a)1
b) 1.5
c) 0.1
d) 0.15​

Answer 1

Answer:

0.1

Explanation:

Mass of Na = 2.3 gm

Atomic weight of Na = 23

This no.of moles = Given mass / Atomic Weight

= 2.3/23

= 0.1

Hope it helps