Răspuns:
160g _____ x
Zn ___+___ HCl ___ --> __ZnCl2 __ + H2
65g ______36,5g
[tex]c = \frac{md \times 100}{ms} \\ \\ md = \frac{c \times ms}{100} = \\ \\ = \frac{80 \times 200}{100} = \\ \\ = 80 \times 2 = \\ \\ = 160[/tex]
[tex]x = \frac{160 \times 36.5}{65} = \\ \\ = 89.84g[/tex]
Succes! ♡︎♥︎♡︎
