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Fe Oh 2 HCL разб. Na3 CR Oh 6 h2o2. Na3[CR(Oh)6]. Na3[CR(Oh)6)] + h2o2 + NAOH = na2cro4 +.
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Na no3
Ore dake level up na
Na fe 3
Na k mg
Na co 2
Na k ca
Na ag
Bitch na
Sakis rouvas na
Na 1 o 2