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Chemia zakres rozszerzony

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REAKCJE W ROZTWORACH<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

2+ i Zn 2+ . Bardzo trudno roz-<br />

<br />

<br />

2 <br />

Cu 2+ + H 2 S CuS + 2 H +<br />

W takich warunkach nie powstanie lepiej rozpuszczalny siar-<br />

<br />

2– <br />

<br />

Zn 2+ + S 2– ZnS<br />

CuS<br />

ZnS<br />

PODSUMOWANIE<br />

• <br />

<br />

• <br />

<br />

• + i OH – .<br />

• <br />

<br />

PYTANIA I ZADANIA<br />

<br />

<br />

a)<br />

b)<br />

c)<br />

2. <br />

3. <br />

<br />

36

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