Portage Learning CHEM 104 Module 2: Problem Set: General Chemistry 2 with Lab

6/21/2021 Module 2: Problem Set: General Chemistry 2 with Lab


Module 2: Problem Set
Due No due date Points 0 Questions 31 Time Limit None




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Submitted Jun 21 at 6:01pm
This attempt took 1,112 minutes.


Question 1 Not yet graded / 0 pts


Identify each of the compounds below as ACID, BASE or SALT on the
basis of their formula and explain your answer based on the definition
given in the module:



(a) HC6H5O2 (b) Be(OH)2

(c) Mn(ClO2)2 (d) AgCl

(e) Sn(OH)4 (f) H2CrO4

(g) PbO2 (h) Ni(OH)4

(i) H3AsO4 (j) HC2H3O2


Your Answer:

A. acid

B. base

C. salt

D. salts
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,6/21/2021 Module 2: Problem Set: General Chemistry 2 with Lab

E. base

F.acid

G. salt

H. base

I. acid

J. acids




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,6/21/2021 Module 2: Problem Set: General Chemistry 2 with Lab




Identify each of the compounds below as ACID, BASE or SALT on
the basis of their formula and explain your answer based on the
definition given in the module:

(a) HC6H5O2 Acid Contains H +
Polyatomic group (C6H5O2)

(b) Be(OH)2 Base Contains Metal (Be) +
OH Polyatomic group

(c) Mn(ClO2)2 Salt Contains Metal (Mn) +
Polyatomic group (ClO2)

(d) AgCl Salt Contains Metal (Ag) +
Nonmetal (Cl)

(e) Sn(OH)4 Base Contains Metal (Sn) +
OH Polyatomic group

(f) H2S Acid Contains H +
Nonmetal (S)

(g) PbO2 Salt Contains Metal (Pb) +
Nonmetal (O)

(h) Ni(OH)4 Base Contains Metal (Ni) +
OH Polyatomic group

(i) H3AsO4 Acid Contains H +
Polyatomic group (AsO4)

(j) HC2H3O2 Acid Contains H +
Polyatomic group (C2H3O2)




Question 2 Not yet graded / 0 pts


Identify the following unknown substances as ACID, BASE or SALT on the
basis of their property.



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, 6/21/2021 Module 2: Problem Set: General Chemistry 2 with Lab

(a) Solution of A has a pH of 4.6

(b) Solution of B causes litmus to turn blue

(c) Substance C has a bitter taste

(d) Solution of D has a pH of 8.9

(e) Substance E has a sour taste

(f) Solution of F causes litmus to turn red


Your Answer:

A. acid

B. base

C. base

D. base

E. acid

F. acid




Identify the following unknown substances as ACID, BASE or SALT
on the basis of their property.

(a) A is an acid since its pH is < 7 (4.6)

(b) B is a base. Bases causes litmus to turn blue

(c) C is a base. Bases have a bitter taste

(d) D is a base since its pH is > 7 (8.9)

(e) E is an acid. Acids have a sour taste

(f) F is an acid. Acids causes litmus to turn red




Question 3 Not yet graded / 0 pts



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