Answer:
2.408 x 10^24molecules
Step-by-step explanation:
no. of moles, n=4
avogadro's constant= 6.02 x 10^23
no. of molecules, N = ?
using
N=n x l
N= 4 x 6.02 x 10^23
N = 2.408 x 10^24molecules
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