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Na2o2 h20 холодная. Na2o+2hno3=2nano3+h2o. Na2o+hno3. NAOH+n2o5.
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Na naoh cu
Na h mg
Na kalon
Oroka na tenshi
Seiso na
Са na
Na ca oh 2
Na al cl
Na fe oh 2
Goron ki na
Na2o2 h20 холодная. Na2o+2hno3=2nano3+h2o. Na2o+hno3. NAOH+n2o5. 