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A 0500 G Sample of an Unknown Substance Was Titrated with with a 0.1

Question 163

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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 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) Na<sub>2</sub>CO<sub>3</sub> B) NaHCO<sub>3</sub> C) H<sub>2</sub>CO<sub>3</sub> D) CO<sub>2</sub> E) There is no way to tell. 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) Na<sub>2</sub>CO<sub>3</sub> B) NaHCO<sub>3</sub> C) H<sub>2</sub>CO<sub>3</sub> D) CO<sub>2</sub> E) There is no way to tell.


A) Na2CO3
B) NaHCO3
C) H2CO3
D) CO2
E) There is no way to tell.

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