oblicz czy 60 g 2% roztworu HCl wystarczy do rozpuszczenia 4 g Zn.
Cp=2%
mr=60g
ms=Cp*mr/100%
ms=2*60/100
ms = 1,2g HCl
mHCl=36,5u
mZn=65u
Zn + 2HCl ----> ZnCl2 + H2
65g Zn ----- 73g HCl
xg Zn ------ 1,2g HCl
x = 1,07g Zn
NIE wystarczy
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Cp=2%
mr=60g
ms=Cp*mr/100%
ms=2*60/100
ms = 1,2g HCl
mHCl=36,5u
mZn=65u
Zn + 2HCl ----> ZnCl2 + H2
65g Zn ----- 73g HCl
xg Zn ------ 1,2g HCl
x = 1,07g Zn
NIE wystarczy