Photos NA NA2O

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Na na2o. Na2o2 h20 холодная. Na2o+2hno3=2nano3+h2o. Na2o+hno3. NAOH+n2o5.
Na2o2 h20 холодная. Na2o+2hno3=2nano3+h2o. Na2o+hno3. NAOH+n2o5.

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