Question

43. The number of atoms in 0.1 mol of a triatomic gas
is (N. = 6.02 x 1023 mol-1).
(1) 1.800 x 1022
(2) 6.026 x 1022
(3) 1.806 x 1023
(4) 3.600 1023​

Answer 1

Answer:

(3) 1.806 x 1023

Number of atoms = number of moles x NA x atomicity

= 0.1 x 6.02 x 1023 x 3

= 1.806 x 1023 atoms

Answer 2

43. The number of atoms in 0.1 mol of a triatomic gas

is (N. = 6.02 x 1023 mol-1).

(1) 1.800 x 1022

(2) 6.026 x 1022

(3) 1.806 x 1023

(4) 3.600 1023

Option 3