Question

How many molecules of CH4 are in 24.1 g of this compound? A) 2.50 × 1024 B) 1.51 C) 9.08 × 1023 D) 1.45 × 1025

Answer 1

mol. of CH4 =24.1/16

=1.5

since no. of molecules of CH4=no. of mol. of CH4 * Avogadro no.

=1.5*6.022*10^23

=9.03*10^23