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Chemistry
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19 Jun 2020

Given the following observation, which of the following is most likely the identity of the acid?

Reagent Observation
formed a homogeneous solution
formed a mixture with two phases

Note that the  of carbonic acid is .

Booster class
General Chemistry 2
Skill
Use molecular structure to predict acid-base behavior and demonstrate the common-ion effect
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Related questions

Given that carbonic acid, H2CO3, has a pKa1 = 6.37 and a pKa2 = 10.33, answer the following.

(a) If you wanted to make a pH 7 buffer solution starting with NaHCO3(aq), would you add 0.10 M HCl or 0.10 M NaOH?

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(b) If you began with 8.0 mL of 0.18 M NaHCO3, how many mL of your choice from (a) would you need to add to get a pH 7 buffer?
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Given that carbonic acid, H2CO3, has a pKa1 = 6.37 and a pKa2 = 10.33, answer the following.

(a) If you wanted to make a pH 7 buffer solution starting with NaHCO3(aq), would you add 0.10 M HCl or 0.10 M NaOH? 0.10 M HCl Correct:

(b) If you began with 6.0 mL of 0.19 M NaHCO3, how many mL of your choice from (a) would you need to add to get a pH 7 buffer? mL

Given that carbonic acid, H2CO3, has a pKa1 = 6.37 and a pKa2 = 10.33, answer the following.

(a) If you wanted to make a pH 7 buffer solution starting with NaHCO3(aq), would you add 0.10 M HCl or 0.10 M NaOH?

answer: 0.10 M HCl


(b) If you began with 6.5 mL of 0.45 M NaHCO3, how many mL of your choice from (a) would you need to add to get a pH 7 buffer?
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