" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
1 mol H202 zawiera 2 mole H - 12,044*10²³ at (2*6,022* 10²³ at.)
3 x
Pozdrawiam, iwoz od Trzech Medyków