Images 4 NA O2

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4 na o2. Na2o2 + h2o (хол.). 4naoh+o2. Na2o NAOH. 2na+2 2naoh +h2.
Na2o2 + h2o (хол.). 4naoh+o2. Na2o NAOH. 2na+2 2naoh +h2.

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