mZn=65u
Cu + HCl----> reakcja nie zachodzi
Zn + 2HCl---->ZnCl2 + H2
v=0,56dm3
d=0,089g/dm3
m=v*d
m=0,05g H2
65g Zn------2g H2
xg Zn--------0,05g H2
x = 1,625g Zn
15 g stopu----100%
1,625g Zn------x%
x = 10,8% Zn
y = 89,2% Cu
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mZn=65u
Cu + HCl----> reakcja nie zachodzi
Zn + 2HCl---->ZnCl2 + H2
v=0,56dm3
d=0,089g/dm3
m=v*d
m=0,05g H2
65g Zn------2g H2
xg Zn--------0,05g H2
x = 1,625g Zn
15 g stopu----100%
1,625g Zn------x%
x = 10,8% Zn
y = 89,2% Cu