January 2019 1 14 Report
Proszę o sprawdzenie 6 metod otrzymywania soli
siarczan ( IV) wapnia
1. Ca+ H2SO3------>CaSO3+H2
2. CaO+ H2SO3---->CaSO3+H2O
3.Ca(OH)2+H2SO3----->CaSO3+H2O
4.------------
5.CaO+3SO-------->CaSO3
6.CaCl2+ K2SO3------>CaSO3+2KCl

bromek arsenu (III)
1.As+2HBr------>AsBR3+H2
2.AsO+ HBr----->AsBr3+H2O
3.As(OH)3+HBr---->AsBr3+H2O
4.As+Br---->AsBr3
5.---------
6.AsCl3+3KBr----->AsBr3+3KCl
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