" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Mg + 1/2 O2 ----> MgOm O2 = 21 - 9 = 12 gram
Mg : O = 9 : 12 = 3 : 4
jawaban D
@kimiaischemistry