Question 1

In the reaction below, which species will not be written as its constituent ions when the equation is expanded into the ionic equation?
Mg(OH)2 (s) + 2HCl (aq) $\rightarrow$ MgCl2 (aq) + 2H2O (l)

Accepted Answer

A)   HCl
B)   MgCl2
C)   Mg(OH) 2 only
D)   H2O and Mg(OH) 2  D

Question 2

The neutralization of Cr(OH)3 with H2SO4 produces which of the following products?

Accepted Answer

A)   OH-
B)   H3O+
C)   Cr2(SO4) 3
D)   SO2 C

Question 3

The Bronsted-Lowry acid and base for the reaction
NH4+ + CN $\rightarrow$ NH3 + HCN are, respectively, ________.

Accepted Answer

A)   NH3 and CN-
B)   NH4+ and HCN
C)   CN- and HCN
D)   NH4+ and CN-  D

Question 4

In which of the following pairs of substances would both species in the pair be written in molecular form in a net ionic equation?

Accepted Answer

A)   HF and CO2
B)   LiOH and H2
C)   CO2 and H2SO4
D)   NH4Cl and NaCl

Question 5

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

Accepted Answer

A)   HClO4 and KClO4
B)   HNO2 and NH4NO2
C)   NaHCO3 and Na2CO3
D)   HF and LiF

Question 6

The product of [H3O+] and [OH-] in pure water, at 25 °C, is ________.

Accepted Answer

A)   zero
B)   always greater than 1
C)   1.00 x 10-7
D)   1.00 x 10-14

Question 7

If 12.3 mL of 0.25 M HNO3 is required to titrate 18.4 mL of Ba(OH)2, the molarity of the Ba(OH)2 solution is ________.

Accepted Answer

A)   0.012 M
B)   0.80 M
C)   0.084 M
D)   2.4 M

Question 8

A solution has a pH = 6. What is the pH of a solution that is 1000 times less acidic?

Accepted Answer

A)   12
B)   7
C)   5
D)   9

Question 9

Write an equation for the response of a HCO₃⁻/CO₃²⁻ buffer to the addition of OH⁻ ions.

Accepted Answer

The answer of Write an equation for the response of...

Question 10

Which of the following solutions is acidic?

Accepted Answer

A)   [H3O+] = 1.00 x 10-3
B)   [H3O+] = 1.00 x 10-11
C)   [H3O+] = 1.00 x 10-9
D)   [H3O+] = 1.00 x 10-8

Question 11

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

Accepted Answer

A)   KC2H3O2 and HC2H3O2
B)   KHSO3 and H2SO3
C)   HCl and NaCl
D)   K2HPO4 and NaH2PO4

Question 12

The net ionic equation for the reaction Ca(OH)2 + 2HCl ? 2H2O + CaCl2 is ________.

Accepted Answer

A)   Ca2+ + 2Cl-  →\rightarrow→  CaCl2
B)   Ca(OH) 2 + 2H+  →\rightarrow→  Ca2+ + 2H2O
C)   OH- + H+  →\rightarrow→ H2O
D)   2 OH- + 2 HCl  →\rightarrow→  2H2O

Question 13

Which of the following salts will hydrolyze to give an acidic solution?

Accepted Answer

A)   LiNO3
B)   NaCl
C)   CH3NH3+
D)   NaC2H3O2

Question 14

Which is the correct net ionic equation for the hydrolysis reaction of Na2S?

Accepted Answer

A)   S2- (aq)  + H2O (l)   →\rightarrow→  HS- + OH- (aq) 
B)   S2- (aq)  + 2 H2O (l)   →\rightarrow→ HS- (aq)  + H3O+ (aq) 
C)   Na+ (aq)  + H2O (l)   →\rightarrow→  NaOH (aq)  + H2 (g) 
D)   Na+ (aq)  + 2 H2O (l)   →\rightarrow→  NaOH (aq)  + H2O+ (aq)

Question 15

In an Arrhenius acid-base context, the compounds KOH, H2SO4, and HNO3 when dissolved in water, function respectively as a(n) ________.

Accepted Answer

A)   base, acid and acid
B)   acid, base and base
C)   base, acid and base
D)   base, base and acid

Question 16

Which one of the following salts will hydrolyze to give an acidic solution?

Accepted Answer

A)   NH4Cl
B)   LiNO3
C)   KC2H3O2
D)   Na2S

Question 17

Complete the following acid-base reaction. What is the sum of the coefficients for the balanced molecular equation?
LiOH (aq) + H2SO4 (aq) ?

Accepted Answer

A)   6
B)   9
C)   12
D)   14

Question 18

In which of the following pairs of acids are both chemical species of the pair polyprotic?

Accepted Answer

A)   H2S and H2CO3
B)   H3PO4 and HCN
C)   HC2H3O2 and H3C6H5O7
D)   HNO3 and H2C4H4O6

Question 19

Which is the balanced net ionic equation for the reaction between Ni(NO3)2 (aq) and NaOH (aq)-

Accepted Answer

A)   Na+ (aq)  + NO3-(aq)   →\rightarrow→  NaNO3 (s) 
B)   Ni2+ (aq)  + 2 Na+ (aq)   →\rightarrow→  NiNa2 (s) 
C)   Ni2+ (aq)  + 2 OH- (aq)   →\rightarrow→  Ni(OH) 2 (s) 
D)   Ni(NO3) 2 (aq)  + 2 NaOH (aq)   →\rightarrow→  Ni(OH) 2 (s)  + 2 NaNO3( aq)

Question 20

Titration of 37.22 mL of Ca(OH)2 solution requires 31.19 mL of 0.219 M H3PO4 solution according to the following equation:
3 Ca(OH)2 (aq) + 2 H3PO4 (aq) $\rightarrow$Ca3(PO4)2 (s) + 6 H2O (l)
What is the molarity of the base in this reaction?

Accepted Answer

A)   0.275 M
B)   0.122 M
C)   0.184 M
D)   0.392 M

Exam 14: Acids, Bases and Salts

In the reaction below, which species will not be written as its constituent ions when the equation is expanded into the ionic equation? Mg(OH) ₂(s) + 2HCl (aq) $\rightarrow$ MgCl₂(aq) + 2H₂O (l)

The neutralization of Cr(OH) ₃ with H₂SO₄ produces which of the following products?

The Bronsted-Lowry acid and base for the reaction NH₄⁺ + CN $\rightarrow$ NH₃ + HCN are, respectively, ________.

In which of the following pairs of substances would both species in the pair be written in molecular form in a net ionic equation?

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

The product of [H₃O⁺] and [OH^-] in pure water, at 25 °C, is ________.

If 12.3 mL of 0.25 M HNO₃ is required to titrate 18.4 mL of Ba(OH) ₂, the molarity of the Ba(OH) ₂ solution is ________.

A solution has a pH = 6. What is the pH of a solution that is 1000 times less acidic?

Write an equation for the response of a HCO₃⁻/CO₃²⁻ buffer to the addition of OH⁻ ions.

Which of the following solutions is acidic?

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

The net ionic equation for the reaction Ca(OH) ₂ + 2HCl ? 2H₂O + CaCl₂ is ________.

Which of the following salts will hydrolyze to give an acidic solution?

Which is the correct net ionic equation for the hydrolysis reaction of Na₂S?

In an Arrhenius acid-base context, the compounds KOH, H₂SO₄, and HNO₃ when dissolved in water, function respectively as a(n) ________.

Which one of the following salts will hydrolyze to give an acidic solution?

Complete the following acid-base reaction. What is the sum of the coefficients for the balanced molecular equation? LiOH(aq) + H₂SO₄(aq) ?

In which of the following pairs of acids are both chemical species of the pair polyprotic?

Which is the balanced net ionic equation for the reaction between Ni(NO₃) ₂(aq) and NaOH (aq) -

Titration of 37.22 mL of Ca(OH) ₂ solution requires 31.19 mL of 0.219 M H₃PO₄ solution according to the following equation: 3 Ca(OH) ₂ (aq) + 2 H₃PO₄ (aq) $\rightarrow$ Ca₃(PO₄) ₂ (s) + 6 H₂O (l) What is the molarity of the base in this reaction?

Exam 14: Acids, Bases and Salts

In the reaction below, which species will not be written as its constituent ions when the equation is expanded into the ionic equation? Mg(OH) 2 (s) + 2HCl (aq) →\rightarrow→ MgCl2 (aq) + 2H2O (l)

The neutralization of Cr(OH) 3 with H2SO4 produces which of the following products?

The Bronsted-Lowry acid and base for the reaction NH4+ + CN →\rightarrow→ NH3 + HCN are, respectively, ________.

In which of the following pairs of substances would both species in the pair be written in molecular form in a net ionic equation?

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

The product of [H3O+] and [OH-] in pure water, at 25 °C, is ________.

If 12.3 mL of 0.25 M HNO3 is required to titrate 18.4 mL of Ba(OH) 2, the molarity of the Ba(OH) 2 solution is ________.

A solution has a pH = 6. What is the pH of a solution that is 1000 times less acidic?

Write an equation for the response of a HCO3−/CO32− buffer to the addition of OH− ions.

Which of the following solutions is acidic?

Which of the following pairs of substances could not function as a buffer system in aqueous solution?

The net ionic equation for the reaction Ca(OH) 2 + 2HCl ? 2H2O + CaCl2 is ________.

Which of the following salts will hydrolyze to give an acidic solution?

Which is the correct net ionic equation for the hydrolysis reaction of Na2S?

In an Arrhenius acid-base context, the compounds KOH, H2SO4, and HNO3 when dissolved in water, function respectively as a(n) ________.

Which one of the following salts will hydrolyze to give an acidic solution?

Complete the following acid-base reaction. What is the sum of the coefficients for the balanced molecular equation? LiOH (aq) + H2SO4 (aq) ?

In which of the following pairs of acids are both chemical species of the pair polyprotic?

Which is the balanced net ionic equation for the reaction between Ni(NO3) 2 (aq) and NaOH (aq) -

Titration of 37.22 mL of Ca(OH) 2 solution requires 31.19 mL of 0.219 M H3PO4 solution according to the following equation: 3 Ca(OH) 2 (aq) + 2 H3PO4 (aq) →\rightarrow→ Ca3(PO4) 2 (s) + 6 H2O (l) What is the molarity of the base in this reaction?

In the reaction below, which species will not be written as its constituent ions when the equation is expanded into the ionic equation? Mg(OH) ₂(s) + 2HCl (aq) $\rightarrow$ MgCl₂(aq) + 2H₂O (l)

The neutralization of Cr(OH) ₃ with H₂SO₄ produces which of the following products?

The Bronsted-Lowry acid and base for the reaction NH₄⁺ + CN $\rightarrow$ NH₃ + HCN are, respectively, ________.

The product of [H₃O⁺] and [OH^-] in pure water, at 25 °C, is ________.

If 12.3 mL of 0.25 M HNO₃ is required to titrate 18.4 mL of Ba(OH) ₂, the molarity of the Ba(OH) ₂ solution is ________.

Write an equation for the response of a HCO₃⁻/CO₃²⁻ buffer to the addition of OH⁻ ions.

The net ionic equation for the reaction Ca(OH) ₂ + 2HCl ? 2H₂O + CaCl₂ is ________.

Which is the correct net ionic equation for the hydrolysis reaction of Na₂S?

In an Arrhenius acid-base context, the compounds KOH, H₂SO₄, and HNO₃ when dissolved in water, function respectively as a(n) ________.

Complete the following acid-base reaction. What is the sum of the coefficients for the balanced molecular equation? LiOH(aq) + H₂SO₄(aq) ?

Which is the balanced net ionic equation for the reaction between Ni(NO₃) ₂(aq) and NaOH (aq) -

Titration of 37.22 mL of Ca(OH) ₂ solution requires 31.19 mL of 0.219 M H₃PO₄ solution according to the following equation: 3 Ca(OH) ₂ (aq) + 2 H₃PO₄ (aq) $\rightarrow$ Ca₃(PO₄) ₂ (s) + 6 H₂O (l) What is the molarity of the base in this reaction?