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1. Which one of the following compounds is insoluble in water? 

  1. BaSO4

  2. KNO3

  3. Na2SO4

  4. Li2CO3

 

2. Which one of the following compounds is soluble in water?

  1. Cu3(PO4)2

  2. Co(NO3)2

  3. CdS

  4. CaCO3

 

3. The mixing of which pair of reactants will result in a precipitation reaction? 

  1. Na2SO4(aq) + KNO3(aq)

  2. NH4Br(aq) + KI(aq)

  3. LiClO4(aq) + (NH4)2S(aq)

  4. Cu(NO3)2(aq) + Li3PO4(aq)

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Trizzia Michelle Tiwaquen
Trizzia Michelle TiwaquenLv7
8 Jan 2021

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Related questions

1. Which one of the following compounds is insoluble in water?

a. BaSO4

b. KNO3

c. Na2SO4

d. Li2CO3

 

2. Which one of the following compounds is soluble in water?

a. Cu3(PO4)2

b. Co(NO3)2

c. CdS

d. CaCO3 

 

3. The mixing of which pair of reactants will result in a precipitation reaction?

a.  

b.  

c.  

d.  

 

4. Which of the following compounds is not an Arrhenius acid?

a. H2SO3

b. HClO

c. KOH

d. HF

 

5. When dissolved in water, of HClO4, NH3, KOH, HI, and CH3OH which are acids?

a. HClO4 and HI

b. NH3 and KOH

c. only KOH

d. only HI

Which one of the following compounds is soluble in water?

a. Cu3(PO4)2
b. Co(NO3)2
c. CdS

d. CaCO3

1. (10)What ions and/or molecules are present in relatively largeproportions in a solution of a weak acid HCN (aq)?

H+
CN-
HCN
HC+
N+
CN
CN-
N3-

2. What ions and/or molecules are present in relatively largeproportions in a solution of a strong base KOH (aq)?

KOH
K2+
OH-
OH2-
KO+
OH+
K
OH
K+
None of these choices is correct

3. What ions and/or molecules are present in relatively largeproportions in a solution of a strong acid H2SO4 (aq)? (NOTE:Remember that only the first ionization is strong.)

HSO4-
H2SO4
SO42-
HS-
O42-
O22-
H2S2-
H+
S
O4

4. What ions and/or molecules are present in relatively largeproportions in a solution of a soluble ionic compound K2CO3(aq)?

K2CO3
K2+
K22+
K+
O32-
CO3-
C
CO32-
K2
CO3

5. Which of the following equations represents the proper net ionicequation for the precipitation of an insoluble phosphate compoundfrom K3PO4 (aq) and Al(NO3)3(aq)?

K3PO4 (aq) + Al(NO3)3(aq) ----> 3 KNO3 (aq) + AlPO4 (s)
K3PO4 (aq) + 3 NO3- (aq) ----> 3 KNO3 (s) + PO43- (aq)
NO3- (aq) + K+ (aq) ----> KNO3 (s)
PO43- (aq) + Al(NO3)3(aq) ----> AlPO4 (s) + 3 NO3 (aq)
2 PO43- (aq) + 3 Al2+ (aq) ----> Al3(PO4)2 (s)
Al3+ (aq) + PO43- (aq) ----> AlPO4 (s)
K3+ (aq) + (NO3)3- (aq) ----> K3(NO3)3(s)
K3PO4 (aq) + Al(NO3)3(aq) ----> K3(NO3)3 (aq) + AlPO4 (s)
Al+ (aq) + PO4- (aq) ----> AlPO4 (s)

6. Which of the following equations represents the proper net ionicequation for the complete neutralization reaction between the weakacid H2S (aq) and the strong base KOH (aq) ?

H2S (aq) + 2 KOH (aq) ----> 2 H2O (l) + K2S (aq)
S2- (aq) + 2 K+ (aq) ----> K2S (aq)
H2+ (aq) + 2 OH- (aq) ----> 2 H2O (l)
H+ (aq) + OH- (aq) ----> H2O (l)
H+ (aq) + KOH (aq) ----> H2O (l) + K+ (aq)
H2S (aq) + 2 OH- (aq) ----> 2 H2O (l) + S2- (aq)
H+ (aq) + K+ (aq) ----> HK (aq)
S2- (aq) + OH- (aq) ----> SOH (aq)

7. What are the spectator ions in the solution after completelyprecipitating an insoluble sulfide compound when mixing Ag2SO4 (aq)and K2S (aq)?

Ag+ , SO42- , K+ , and S2-
S2- and Ag+
SO42- and S2-
S2- and K+
K+ and Ag+
SO42- and Ag+
Ag+
K+ and SO42-

8. What are the spectator ions in the solution after the completeneutralization reaction occurs when mixing the weak acid H2S (aq)and the strong base KOH (aq)?

H+ , S2- , K+ , and OH-
OH- and K+
H+ and OH-
OH- and S2-
K+ and S2-
K+ and H+
S2- and H+
K+
S2-
SO42-
K+

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