" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
masa molowa Na2SO4 x 7H2O = 268 g/mol
masa molowa wody = 18 g/mol
%zawartość wody = (18g/mol * 7)/268g/mol=46%