" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
mNH3=mN+3mH=14u+3*1u=14u+3u=17u
mH2S=2mH+mS=2*1u+32u=2u+32u=34u
mNa2SO4=2mNa+mS+4mO=2*23u+32u+4*16u=46u+32u+64u=142u
mMg(OH)2=mMg+2mO+2mH=24u+2*16u+2*1u=24u+32u+2u=58u