A solution contains Na2CO3 and NaHCO3. 10 mL of the solution required 2.5 mL of 0.1 M H2SO4 for neutralisation using phenolphthalein as indicator. Methyl orange is then added when a further 2.5 mL of 0.2 M H2SO4 was required. The amount of Na2CO3 and NaHCO3 in 1 litre of the solution is: (a) 5.3g and 4.2g (b) 3.3g and 6.2g (c) 4.2g and 5.3g (d) 6.2g and 3.3g
A solution contains Na2CO3 and NaHCO3. 10 mL of the solution required 2.5 mL of 0.1 M H2SO4 for neutralisation using phenolphthalein as indicator. Methyl orange is then added when a further 2.5 mL of 0.2 M H2SO4 was required. The amount of Na2CO3 and NaHCO3 in 1 litre of the solution is: (a) 5.3g and 4.2g (b) 3.3g and 6.2g (c) 4.2g and 5.3g (d) 6.2g and 3.3g
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 99AP
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![A solution contains Na2CO3 and NaHCO3. 10
mL of the solution required 2.5 mL of 0.1 M
H2SO4 for neutralisation using
phenolphthalein as indicator. Methyl orange is
then added when a further 2.5 mL of 0.2 M
H2SO4 was required. The amount of Na2CO3
and NaHCO3 in 1 litre of the solution is:
(a) 5.3g and 4.2g
(b) 3.3g and 6.2g
(c) 4.2g and 5.3g
(d) 6.2g and 3.3g](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec503021-ad50-48bd-95ee-beb4d51dcbf3%2Feaea684c-b3d5-4640-9895-697aa03b1916%2F4t6the_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A solution contains Na2CO3 and NaHCO3. 10
mL of the solution required 2.5 mL of 0.1 M
H2SO4 for neutralisation using
phenolphthalein as indicator. Methyl orange is
then added when a further 2.5 mL of 0.2 M
H2SO4 was required. The amount of Na2CO3
and NaHCO3 in 1 litre of the solution is:
(a) 5.3g and 4.2g
(b) 3.3g and 6.2g
(c) 4.2g and 5.3g
(d) 6.2g and 3.3g
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