Разложите 1. hcl => 2. hcl + al => 3. hcl + zno => 4. hcl + naoh => 5. hcl +cu(oh)2 => 6. na2co3 + hcl =>
162
284
Ответы на вопрос:
1. 2hcl = h2 + cl2
2. 6hcl + 2al = 2alcl3 + 3h2
3. 2hcl + zno = zncl2 + h2o
4. hcl + naoh = nacl + h2o
5. 2hcl + cu(oh)2 = cucl2 + 2h2o
6. na2co3 + 2hcl = 2nacl + h2o + co2
2hcl=h2 + cl2
2al + 6hcl = 2alcl3 + 3h2
zno+2hcl=zncl2+h2o
hcl + naoh=nacl+h2o
hcl +cu(oh)2 =cucl2+h20
na2co3+2hcl =2nacl + h2co3 или na2co3 + 2hcl > 2nacl + h2o + co2
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