Question 1

The normal blood pH is about

Accepted Answer

A) 7.00. 
B) 7.20. 
C) 7.40. 
D) 6.80. 
E) 7.60. 
A) 7.00. 
B) 7.20. 
C) 7.40. 
D) 6.80. 
E) 7.60.

Question 2

A  25.0 mL  sample of   requires  50.0 mL of  1.50 M NaOH for complete neutralization. What is the molarity of the acid?

Accepted Answer

A)   0.750 M 
B)   0.333 M 
C)   1.50 M 
D)   1.00 M 
E)   3.00 M 
A)   0.750 M 
B)   0.333 M 
C)   1.50 M 
D)   1.00 M 
E)   3.00 M

Question 3

Which solution has the highest pH?

Accepted Answer

A) a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate 
B) a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate 
C) a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate 
D) a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate 
E) All of the buffers have the same pH since they are all made with acetic acid and sodium acetate. 
A) a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate 
B) a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate 
C) a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate 
D) a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate 
E) All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.

Question 4

Which of the following is the weakest acid?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 5

The name of   is

Accepted Answer

A)  aluminum hydroxide. 
B)  aluminum trihydroxide. 
C)  aluminum(III) hydroxide. 
D)  monoaluminum trihydroxide. 
E)  aluminum oxygen hydride. 
A)  aluminum hydroxide. 
B)  aluminum trihydroxide. 
C)  aluminum(III) hydroxide. 
D)  monoaluminum trihydroxide. 
E)  aluminum oxygen hydride.

Question 6

How many moles of   are produced when 1 mole of   reacts with 1 mole of

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 7

How many milliliters of 0.400 M NaOH are required to completely neutralize 20.0 mL of 0.200 M HCl?

Accepted Answer

A) 10.0 mL 
B) 50.0 mL 
C) 0.100 mL 
D) 40.0 mL 
E) 20.0 mL 
A) 10.0 mL 
B) 50.0 mL 
C) 0.100 mL 
D) 40.0 mL 
E) 20.0 mL

Question 8

Which solution has the lowest pH?

Accepted Answer

A) a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate 
B) a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate 
C) a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate 
D) a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate 
E) All of the buffers have the same pH since they are all made with acetic acid and sodium acetate. 
A) a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate 
B) a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate 
C) a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate 
D) a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate 
E) All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.

Question 9

According to the Brønsted-Lowry definition,

Accepted Answer

A) an acid acts as the solvent. 
B) a base is a proton donor. 
C) an acid is a proton acceptor. 
D) a base is a proton acceptor. 
E) a base produces H+ ions in aqueous solutions. 
A) an acid acts as the solvent. 
B) a base is a proton donor. 
C) an acid is a proton acceptor. 
D) a base is a proton acceptor. 
E) a base produces H+ ions in aqueous solutions.

Question 10

Accepted Answer

The answer of  ...

Question 11

In a buffer system of HF and its salt, NaF,

Accepted Answer

A)  the HF neutralizes added acid. 
B)  the   neutralizes added base. 
C)  the HF neutralizes added base. 
D)  the   neutralizes added   
E)  the HF  is not necessary. 
A)  the HF neutralizes added acid. 
B)  the   neutralizes added base. 
C)  the HF neutralizes added base. 
D)  the   neutralizes added   
E)  the HF  is not necessary.

Question 12

What is the  pH of a solution with

Accepted Answer

A)   9.70 
B)   -9.70 
C)   4.30 
D)    
E)   -4.30 
A)   9.70 
B)   -9.70 
C)   4.30 
D)    
E)   -4.30

Question 13

How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4?

Accepted Answer

A) 7.50 mL 
B) 15.0 mL 
C) 0.833 mL 
D) 5.00 mL 
E) 2.50 mL 
A) 7.50 mL 
B) 15.0 mL 
C) 0.833 mL 
D) 5.00 mL 
E) 2.50 mL

Question 14

The     of  
What is the  pH of a buffer with  0.050 M    and  0.50 M

Accepted Answer

A)   7.37 
B)   5.37 
C)   4.3 x 10-7 
D)   6.37 
E)   7.63 
A)   7.37 
B)   5.37 
C)   4.3 x 10-7 
D)   6.37 
E)   7.63

Question 15

Which of the following could be a buffer?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

According to the Arrhenius concept, if NaOH were dissolved in water, it would act as

Accepted Answer

A) a proton donor. 
B) a source of hydronium ions. 
C) an acid. 
D) a source of H- ions. 
E) a base. 
A) a proton donor. 
B) a source of hydronium ions. 
C) an acid. 
D) a source of H- ions. 
E) a base.

Question 17

Ammonium hydroxide is a weak base because

Accepted Answer

A) it cannot hold on to its hydroxide ions. 
B) it is completely ionized in aqueous solution. 
C) it dissociates only slightly in water. 
D) it is only slightly soluble in water. 
E) it is a dilute solution. 
A) it cannot hold on to its hydroxide ions. 
B) it is completely ionized in aqueous solution. 
C) it dissociates only slightly in water. 
D) it is only slightly soluble in water. 
E) it is a dilute solution.

Question 18

The name given to an aqueous solution of HNO3 is

Accepted Answer

A) hydrogen nitrate. 
B) hydronitrogen acid. 
C) hyponitric acid. 
D) nitrous acid. 
E) nitric acid. 
A) hydrogen nitrate. 
B) hydronitrogen acid. 
C) hyponitric acid. 
D) nitrous acid. 
E) nitric acid.

Question 19

According to the Arrhenius concept, if   were dissolved in water, it would act as

Accepted Answer

A)  a source of hydroxide ions. 
B)  a base. 
C)  a source of   ions. 
D)  a proton acceptor. 
E)  an acid. 
A)  a source of hydroxide ions. 
B)  a base. 
C)  a source of   ions. 
D)  a proton acceptor. 
E)  an acid.

Question 20

A solution with a pH of 4 is

Accepted Answer

A) extremely acidic. 
B) moderately acidic. 
C) neutral. 
D) extremely basic. 
E) slightly basic. 
A) extremely acidic. 
B) moderately acidic. 
C) neutral. 
D) extremely basic. 
E) slightly basic.

Exam 11: Acids and Bases

The normal blood pH is about

A 25.0 mL sample of requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?

Which solution has the highest pH?

Which of the following is the weakest acid?

The name of is

How many moles of are produced when 1 mole of reacts with 1 mole of

How many milliliters of 0.400 M NaOH are required to completely neutralize 20.0 mL of 0.200 M HCl?

Which solution has the lowest pH?

According to the Brønsted-Lowry definition,

In a buffer system of HF and its salt, NaF,

What is the pH of a solution with

How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4?

The of What is the pH of a buffer with 0.050 M and 0.50 M

Which of the following could be a buffer?

According to the Arrhenius concept, if NaOH were dissolved in water, it would act as

Ammonium hydroxide is a weak base because

The name given to an aqueous solution of HNO3 is

According to the Arrhenius concept, if were dissolved in water, it would act as

A solution with a pH of 4 is

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