Question

Tolong ya skrg cepet pake caranya

Answer 1

3.a
molCH4=massa CH4/Mr CH4
=8gr/(1xAr C)+(4xAr H)
=8gr/(1x12)+(4x1)
=8gr/(12+4)
=8gr/16
=0,5mol
b.
Juml.molekul=molCH4 x 6,02.10^23
=0,5mol x 6,02.10^23
=3,01.10^23