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KBR cl2 уравнение. Cl2 NAOH холодный. 2na + 2h2o = 2naoh + h2. Cl2 h2o.
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KBR cl2 уравнение. Cl2 NAOH холодный. 2na + 2h2o = 2naoh + h2. Cl2 h2o. 