Images NA CO

< Previous image
Image - 81
Next image >
Na co. MG Oh 2 h2so3. Fecl3 h3po4. H2so4 h2co3. H2co3, h2so3.
MG Oh 2 h2so3. Fecl3 h3po4. H2so4 h2co3. H2co3, h2so3.