Multiple Choice
A 0.500 g sample of an unknown substance was titrated with a 0.1 M HCl solution. Another 0.500 g sample of it was titrated with a 0.1 M NaOH solution. The resulting titration curves are illustrated here. Given the following possibilities, what is the sample?
A) Na2CO3
B) NaHCO3
C) H2CO3
D) CO2
E) There is no way to tell.
Correct Answer:

Verified
Correct Answer:
Verified
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