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Električna provodljivost vodene otopine soli

Električna provodljivost vodene otopine soli. Pribor:Čaša,Baterija,Žarulja,Žlica,Štapić. Kemikalije: NaCl ( aq )-Otopina soli u vodi. Postupak 1.

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Električna provodljivost vodene otopine soli

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  1. Električna provodljivost vodene otopine soli

  2. Pribor:Čaša,Baterija,Žarulja,Žlica,Štapić. • Kemikalije:NaCl(aq)-Otopina soli u vodi.

  3. Postupak 1. • Spojimo žice u ugljene elektrode zatim u strujni krug sa žaruljicom,onda u čašu ulijemo vodovodnu vodu,promiješamo sa štapićem i žaruljica se ne upali.

  4. Postupak 2. • Spojimo žice u ugljene elektrode zatim ih spojimo u krug sa žaruljom,onda u čašu ulijemo vodovodnu vodu i stavljamo polako sol natrijev klorid, promješamo sa štapićem i žaruljica se pomalo pali.

  5. Crtež

  6. Zaključak • V0dena otopina soli provodi električnu strujuzbog nastalih iona • NaCl(aq)Na+ + Cl- • By:Ines M.,Mate K.,Nedo Š. Martin M.

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