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zalinabogatyreva
@zalinabogatyreva
June 2022
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помогите ПОЖАЛУЙСТА, ОЧЕНЬ СРОЧНО!!!!!!
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Di0419
1. 2na + 2h2o = 2naoh + h2↑
2. 2naoh + h2co3 = na2co3 + 2h2o
3. na2co3 + 2hcl = 2nacl + h2o + co2↑
4. 2nacl + br2 = 2nabr + cl2
5. cl2 + h2 = 2hcl
6. 2na + h2 = 2nah
7. nah + h2o = naoh + h2↑
8. naoh + h2co3 = nahco3 + h2o
9. nahco3 + hcl = nacl + co2↑ + h2o
10. 2nacl + h2so4 = na2so4 + 2hcl↑
11. nahco3 + naoh = na2co3 + h2o
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zalinabogatyreva
спасибо большое
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Answers & Comments
2. 2naoh + h2co3 = na2co3 + 2h2o
3. na2co3 + 2hcl = 2nacl + h2o + co2↑
4. 2nacl + br2 = 2nabr + cl2
5. cl2 + h2 = 2hcl
6. 2na + h2 = 2nah
7. nah + h2o = naoh + h2↑
8. naoh + h2co3 = nahco3 + h2o
9. nahco3 + hcl = nacl + co2↑ + h2o
10. 2nacl + h2so4 = na2so4 + 2hcl↑
11. nahco3 + naoh = na2co3 + h2o