Elementi 14.

Submitted by NikolaM on Sat, 12/07/2013 - 11:20
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Dobijanje:a)Sn(OH)2 iz SnCl2

b)PbSO4 iz acetata

c)CaCO3 iz Ca(OH)2

 

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milicaradenkovic - Sat, 12/07/2013 - 12:08

a) SnCl2+2NaOH-------------->Sn(OH)2+2NaCl

b) Pb(CH3COO)2+H2SO4-------------->PbSO4+2CH3COOH

c) Ca(OH)2+CO2-------------->CaCO3+H2O