Desconto:
-5%Antes:
Despois:
41,80 €HYDROGEN IN NOT FOUND FREE IN NATURE. WE HAVE THE EXAMPLE IN WATER WHOSE MOLECULES RESULTS FROM THE UNION OF TWO HYDROGEN ATOMS WITH ONE OXYGEN. RETURNING TO THE CASE OF WATER, IF WE WANT TO SEPARATEITS COMPONENTS, IT CAN BE DONE BY ELECTROLYSIS. BUT THE