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| 1. |
Is it advisable to use conc. HCI in place of dilute HCI for preparing original solution |
| Answer» Solution :CONC. HCl can be used but to ENSURE the PRECIPITATION of `PB^(2+)` as `PbCl_(2)` the solution is prepared in DIL. HCl as `PbCl_(2)` dissolved In conc. HCl due to complex formation. | |