hitunglah masa masing zat 12,04 x 10^22 molekul gas NH3 ( Ar N = 14 , H = 1 )
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Pertanyaan
hitunglah masa masing" zat 12,04 x 10^22 molekul gas NH3 ( Ar N = 14 , H = 1 )
1 Jawaban
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1. Jawaban RahmatDarmaraga
n NH3
= 12,04 x 10^22 / 6,02 x 10^23
= 2 x 10^-1
= 0,2 mol.
Massa NH3
= n x Mr NH3
= 0,2 x 17
= 3,4 gram