Răspuns :
in 18g h2o...............2g h2
in xg h2o.................6g h2
x=54 g h2o
in xg h2o.................6g h2
x=54 g h2o
in 18 g H2O se gasesc 2 g H2
in x g H2O se gasesc 6 g H2
x= 54 g H2O
in x g H2O se gasesc 6 g H2
x= 54 g H2O