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| 1. |
For testing SO_(4)^(2-) with BaCl_(2) solution why should sodium carbonate not be acidified with too much of conc. HCl. |
| Answer» Solution :In the PRESENCE of CONC. HCL, `BaCl_(2)` itself will be precipitated the precipitated `BaCl_(2)` is mistaken as `BaSO_(4)` | |