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2.
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- . . 6. M/B = 32/6 = 5,33 /.
- . . 4. /=32/4=8/. S+O=8+8=16/.
- . . Al(OH)3=78/3=26/.
- . . AlCl3 1, 3. AlCl3=133,5/(1*3)=44,5/.
- . . . /( )=98/2=49/.
- .
- . Zn :
Zn + CuSO4 = ZnSO4 + Cu
Zn -2e → Zn2+-
Cu2+ + 2e → Cu-
Zn=M/z=65/2=33
3.
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Q = ΔU + W (4.4)
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