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2 Al + 6 HCl -> 2 AlCl3 + 3 H2^
Al(OH)3 + 3 HCl -> AlCl3 + 3 H2O
Al2O3 + 6 HCl -> 2 AlCl3 -> 2 H2O
AlPO4 + 3 HCl -> AlCl3 + H3PO4
2)
Cp = 15%
mr = 800g
ms = ?
Cp = ms/mr * 100%
Przekształcamy wzór wyznaczając ms i podstawiamy
ms = Cp*mr/100%
ms = 15%*800g/100%
ms = 120g
Al(oH)₃ + 3HCl→ AlCl₃ + 3H₂O
Al(No₃)₃+3HCl→AlCl₃+3HNo₃
Al₂O₃+6HCl→2AlCl₃+3H₂O
2Al+6HCl→2AlCl₃+3H₂
(chyba dobrze)
2) 15g.sub.-100g. r-ru
xg. sub.- 800g. r-ru
x=120g sub