vas_15 - lesanded: 15 vastused 1. CaH2 + 2H2O Ca(OH)2 + 2H2...

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Ülesanded: 15 vastused 1. CaH 2 + 2H 2 O Ca(OH) 2 + 2H 2 2Na + 2H 2 O 2NaOH + H 2 3H 2 + 2P 2PH 3 3K + P K 3 P H 2 + Cu ei toimu H 2 + Cu 2+ Cu + 2H + 4KO 2 + 2H 2 O 4KOH + 3O 2 2Li + 2HCl 2LiCl + H 2 NaCl + K 2 CO 3 ei toimu (lahusesse jäävad Na + + Cl - + 2K + + CO 3 2- ) NaCl + AgF NaF + AgCl 2NaCl + H 2 SO 4 Na 2 SO 4 + 2HCl Na 2 SO 4 + HCl ei toimu Na 2 SO 4 + H 2 SO 3 ei toimu Na 2 SO 3 + H 2 SO 4 Na 2 SO 4 + SO 2 + H 2 O 2. K 2 O 2 3. 11,9% Na 2 O 2 ja 88,1% K 2 O 2 4. 0,015 mol 5. 0,54 mol ; 0,27% 6. 19,3 g 7. 0,5 mol 8. 2,97 t 9. ( 29 2 . 2 2 Cl NaOH NaCl lüüs el aq + (2Na + + 2OH - ) Katoodil ox 2H 2 O + 2e → 2OH - + H 2 Anoodil red 2Cl - - 2e → Cl 2 2NaOH + CO 2 → Na 2 CO 3 + H 2 O 2Na + + 2OH - + CO 2 → 2Na + + CO 3 2-
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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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