Question

6. The no of atoms in 0.1 mol of a triatomic gas is (NA = 6.022 x 10-3 mol-1)
a) 6.026 x 1022 b) 1.806 x 10^3 c) 1.800 x 1022 d) 3.600 x 1023
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Answer 1

option (c)

1.806*10^3
no. of moles in 0.1 mol of triatomic gas
= 0.1 x 3 x 6.02 x 10²³
=1.806 x 10²³

Answer 2

Here is your answer

:)