id-1-5:
| As2S3 + NaNO3 + Na2CO3 |
tavení
 |
Na3AsO4 + Na2SO4 + CO2 + NaNO2 |
[Otevři] |
id-5-1:
| As + NaClO + NaOH |
|
Na3AsO4 + NaCl + H2O | [Otevři] |