The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹)

The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹)

(a) 6.026 x 10²²
(b) 1.806 x 10²³
(c) 3.6 x 10²³
(d) 1.8 x 10²²

1.806 x 10²³

Number of moles in 0.1 mole of triatomic gas = 0.1 x 3 x 6.02 x 10²³
=1.806 x 10²³

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