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A mixture of sodium carbonate and sodium bicarbonate is titrated against HC l using phenolphthalein as indicator. At the end point, ( A ) meq HCl = meq Na 2 CO 3 + meq NaHCO 3 ( B ) mmol HCl = mmol carbonate ions ( C ) mmol HCl = mmol NaHCO 3 ( D ) meq HCl = ½ mmol Na 2 CO 3 + mmol NaHCO 3

A mixture of sodium carbonate and sodium bicarbonate is titrated against HCl using phenolphthalein as indicator. At the end point,

 

( A )

meq HCl = meq Na2CO3 + meq NaHCO3

( B )

mmol HCl = mmol carbonate ions

( C )

mmol HCl = mmol NaHCO3 

( D )

meq HCl = ½ mmol Na2CO3 + mmol NaHCO3

Grade:11

1 Answers

Avni Chauhan
askIITians Faculty 247 Points
5 years ago
option b
phenolpthalein can only show till carbonate is converted to bicarbonate.
therefore, b

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