QUESTION
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How many ml of 0.1 M HCL are required to react completely with 1 gram mixture of Na2Co3 and NaHCo3 containing equimolar amounts of both?
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Harsh & Lavanya
Answers
Answered by
7
Answer:
158 mL
Hence, 158 mL of 0.1 M of HCl is required to react completely with 1 g mixture of Na2CO3 and NaHCO3, containing equimolar amounts of both
Answered by
10
Let the mixture contains of sodium carbonate and of sodium bicarbonate.
The molar masses of sodium carbonate and sodium bicarbonate are respectively .
The number of moles of sodium carbonate and sodium bicarbonates are
Since, it is an equilmolar mixture,
Number of moles of sodium carbonate
Number of moles of sodium hydrogen carbonate=
One mole of sodium carbonate will react with 2 moles of HCl and 1 mole of sodium bicarbonate will react with 1 mole of HCl.
Total number of moles of HCl that will completely neutralize the mixture
Volume of 0.1 M HCl required
158 mL
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