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Acid Base Titration
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 Assignments:

 

 1. A basic solution can be defined as one in which

a. [H3O+] is not present
b. [H3O+] is equals to OH-

 

2. Which one is a self indicator?

a. K2Cr2O7
b. Cr2(SO4)2
c. KMnO4
d. H2C2O4.2H2O

 

3. Which of the following combinations can't produce a buffer solution?

a. HNO2 & NaNO2
b. HCN & NaCN
c. HClO4 & NaClO4
d. NH3 & (NH4)2SO4
e. NH3 & NH4Br

 

4. What is the pH of a solution composed of 0.20 M NH3 & 0.15M NH4Cl?

a. 2.15
b. 4.65
c. 8.26
d. 9.38
e. 8.89

 

5. Calculate the ratio [CH3COOH]/[CH3COONa] that gives a solution with pH=5.00?

a. 0.28
b. 0.36
c. 0.44
d. 0.56
e. 0.63

 

 


 

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