" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
m Mg = 12 gram
Standar = STP = 22,4 L/mol
Ditanya : Volume gas H2 ?
Jawab :
n Mg :
= m / Ar
= 12 gram / 24 gram/mol
= 0,5 mol
Reaksi :
Mg + 2HNO3 ----> Mg(NO3)2 + H2
n H2 :
= Koefisien Mg / Koefisien H2 × n Mg
= 1 / 1 × 0,5 mol
= 0,5 mol
Volume gas H2 :
= n . STP
= 0,5 mol . 22,4 L/mol
= 11,2 L