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| 1. |
A sample supposed to be pure `CaCO_(3)` is used to standardise a solution of `HCl`. The substance really was a mixture of `MgCO_(3)` and `BaCO_(3)`, but the standardisation of `HCl` was accurate. Find the percentage of `BaCO_(3)` and `MgCO_(3)` in mixture. |
| Answer» Correct Answer - `BaCO_(3)=27.89%, MgCO_(3)=72.11%`; | |