👤

Ce cantitate de hidrogen se gaseste in 2g apa distilata?



Răspuns :

H2+O2⇒H2O2
[tex] M_{H2O2} [/tex]=2·1+2·16=2+32=34
34 g H2O2...........2 g H2
2g H2O2..............x
x=[tex] \frac{2*2}{34}= \frac{4}{34} [/tex]
x=0,11 g