In the mixture of N a 2 C O 3 + N a H C O 3 volume of H C l required is x m L with phenolphthalein indicator and y m L with methyl orange indicator in the same titration. Hence volume of H C l for com

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In the mixture of N a 2 C O 3 + N a H C O 3 volume of H C l required is x m L with phenolphthalein indicator and y m L with methyl orange indicator in the same titration. Hence volume of H C l for complete reaction of N a 2 C O 3 is:

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If x m L is with phenolphthalein the rxn occurring is N a 2 C O 3 + H C l → N a H C O 3 + N a C l So the volume of H C I for complete reaction of N a 2 C O 3 would be double of ' x ' because the reaction will be N a 2 C O 3 + 2 H C l → N a 2 C O 3 + 2 N a C l So, 2 x

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