vas_16 - lesanded 16 vastused 1. 1,6 g 2. CaCO3 + H2SO4...

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Ülesanded 16 vastused 1. 1,6 g 2. CaCO 3 + H 2 SO 4 CaSO 4 + CO 2 + H 2 O CaCO 3 + HCl CaCl 2 + CO 2 + H 2 O BaSO 4 + KCl ei toimu BaSO 4 + HCl ei toimu Ba(OH) 2 + NH 4 Cl BaCl 2 + NH 3 + H 2 O 3. 11,4 g 4. Be + 2NaOH + 2H 2 O Na 2 [Be(OH) 4 ] + H 2 2Al + 2NaOH + 6H 2 O 2Na[Al(OH) 4 ] + 3H 2 5. 6Na[Al(OH) 4 ] + Al 2 (SO 4 ) 3 3Na 2 SO 4 + 8Al(OH) 3 6.Väike raadius ja suur laeng tõstavad polariseerivat toimet. Leelismuldmetallide karbonaadid on vähem püsivad, kuna katiooni laeng on 2 korda suurem. Alumiiniumkarbonaat peaks olema veel ebastabiilsem. 7. Ba + 2H 2 O →Β a(OH) 2 + H 2 Β a(OH) 2 + 2HCl BaCl 2 + 2H 2 O BaCl 2 + Na 2 SO 4 2 NaCl + BaSO
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This note was uploaded on 11/06/2011 for the course LOTE 101 taught by Professor Anso during the Spring '09 term at Uni. Tartu.

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