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Chapter 10: Q.10.11 (page 330)

1. Write the formula for the conjugate acid for each of the following bases:

a.CO32-

b.H2O

c.H2PO4-

d.Br-

Short Answer

Expert verified

The formula for the conjugate acids for bases :

(Part a) CO32-is bicarbonate ion or hydrogen carbonate ion

(Part b) H2Ois hydronium ion

(Part c) H2PO4-is phosphoric acid

(Part d) Br-is hydrobromic acid

Step by step solution

01

 Intoduction (Part a) 

The formula for the conjuate acids for bases :

a.CO32-is bicarbonate ion or hydrogen carbonate ion

b.H2Ois hydronium ion

c. H2PO4-is phosphoric acid

d.Br-is hydrobromic acid

02

( explanation part a )

(a) The formula and name of the conjugate acid for the baseCO32- isHCO3- , bicarbonate ion or hydrogen carbonate ion.

03

(explanation b)

(b) The formula and name of the conjugate acid for the baseH2OisH3O+, hydronium ion.

04

(explanation part c )

(c) The formula and name of the conjugate acid for the base H2PO4-isH3PO4, phosphoric acid.
05

(explanation part 4)

(d) The formula and name of the conjugate acid for the base Br is HBr, hydrobromic acid.

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Most popular questions from this chapter

Balance each of the following neutralization equations:

a. HCl(aq)+Mg(OH)2(s)⟶H2O(l)+MgCl2(aq)

b. localid="1654005351289" H3PO4(aq)+LiOH(aq)⟶H2O(l)+Li3PO4(aq)

Identify the stronger acid in each of the following pairs: (10.3)

a. HF or HCN

b. H3O+orH2S

c. HNO2orHC2H3O2

d. H2OorHCO3−

Why would the pH of your blood plasma decrease if you hold your breath?

Consider the buffer system of nitrous acid, HNO2, and its salt, NaNO2.

HNO2(aq)+H2O(l)⇄H3O+(aq)+NO2-(aq)

a. The purpose of this buffer system is to:

1. maintain HNO2

2. maintain NO2-

3. maintain pH

b. The weak acid is needed to:

1. provide the conjugate base

2. neutralize added OH-

3. provide the conjugate acid

c. If H3O+is added, it is neutralized by:

1. the salt

2. H2O

3. OH-

d. When OH-is added, the equilibrium shifts in the direction of the:

1. reactants

2. products

3. does not change

Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF .

HF(aq)+H2O(l)⇄H3O+(aq)+F-(aq)

a. The purpose of this buffer system is to:

1. maintain [HF]

2. maintain F-

3. maintain pH

b. The salt of the weak acid is needed to:

1. provide the conjugate base

2. neutralize added H3O+

3. provide the conjugate acid

c. If OH-is added, it is neutralized by:

1. the salt

2. H2O

3. H3O+

d. WhenH3O+is added, the equilibrium shifts in the direction of the:

1. reactants

2. products

3. does not change
See all solutions

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