" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a. Na2S2O3 => (+2) - 6 = -4/2 = -2
b. SO3 => -6 = +6
c. Na2SO4 => (+2) - 8 = -6
d. H2S => (+2) = -2
kalau bingung boleh ditanyakan:)