26. Solution to Chemistry Problem
Seller: Derkach
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Product description
- A 0.3810 g sample of an unknown substance 47 containing only potassium ions and residual carbonic acid is dissolved in water. The resulting weakly alkaline solution is titrated with an HCl solution (T = 0.003780). When titrating in the presence of phenolphthalein, the solution becomes colorless from the addition of the first drops of acid, and 32.40 ml are spent on titration in the presence of methyl orange. What is the main product in the substance being studied? What is the percentage?
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