" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=akar dari 10^-9×10^-1
=akar dari 10^-10
=10^-5
poh=-log 10^-5
=5
ph+poh=14
ph+5=14
ph=9