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sysoi
@sysoi
July 2022
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Решить:
Al+ Cr2O3 =?
Al + NaOH + H2O= ?
Al+CuO = ?
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Answers & Comments
Aladdin04
1. 2Al + Cr2O3 = Al2O3 + 2Cr
2. 2Al + 2NaOH + 6H2O = 2Na[Al(OH)4] + 3H2↑
3. 2Al + 3CuO = Al2O3 + 3Cu
3 votes
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Answers & Comments
2. 2Al + 2NaOH + 6H2O = 2Na[Al(OH)4] + 3H2↑
3. 2Al + 3CuO = Al2O3 + 3Cu