For a given  mixture of NaHCO3 and Na2CO3 volume of a given HCl required is X ml with phenolphthalein indicator and further Y ml required with methyl orange indicator. Hence volume of HCl for complete reaction of NaHCO3 is
  1. 2x
  2. x/2
  3. y
  4. y-x

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  • 7
2x
  • -16
How ?
  • -7
This is the required explanation

  • 46
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