Today we will:1. Share lab data

2. Review homework

3. Take a review quiz

Homework:

Finish your lab write-up.

For your discussion, answer the “Analyze and Conclude”

questions on page 301.

Daily Quiz 10.3:

Daily Quiz 10.3:1. You are analyzing a mysterious

element X. You find that when ionized, X has a charge of -2. This element could be…

a. Lithium (Li)

b. Beryllium (Be)

c. Oxygen (O)

d. Fluorine (F)

Daily Quiz 10.3:2. The formula for magnesium

chloride is…

a. MgCl

b. Mg2Cl

c. MgCl2

d. Mg2Cl2

Daily Quiz 10.3:3. The formula for lithium

oxide is…

a. LiO

b. Li2O

c. LiO2

d. Li2O2

Daily Quiz 10.3:4. An atom loses two electrons

to become an ion. Its charge is…

a. +1

b. -1

c. +2

d. -2

Daily Quiz 10.3:1. You are analyzing a mysterious

element X. You find that when ionized, X has a charge of -2. This element could be…

a. Lithium (Li)

b. Beryllium (Be)

c. Oxygen (O)

d. Fluorine (F)

Daily Quiz 10.3:1. You are analyzing a mysterious

element X. You find that when ionized, X has a charge of -2. This element could be…

a. Lithium (Li)

b. Beryllium (Be)

c. Oxygen (O)

d. Fluorine (F)

Daily Quiz 10.3:2. The formula for magnesium

chloride is…

a. MgCl

b. Mg2Cl

c. MgCl2

d. Mg2Cl2

Daily Quiz 10.3:2. The formula for magnesium

chloride is…

a. MgCl

b. Mg2Cl

c. MgCl2

d. Mg2Cl2

Daily Quiz 10.3:3. The formula for lithium

oxide is…

a. LiO

b. Li2O

c. LiO2

d. Li2O2

Daily Quiz 10.3:3. The formula for lithium

oxide is…

a. LiO

b. Li2O

c. LiO2

d. Li2O2

Daily Quiz 10.3:4. An atom loses two electrons

to become an ion. Its charge is…

a. +1

b. -1

c. +2

d. -2

Daily Quiz 10.3:4. An atom loses two electrons

to become an ion. Its charge is…

a. +1

b. -1

c. +2

d. -2

Homework Review:

Problems 33-37

Pages 292-294

Homework Review:

33. Aqueous solutions of potassium iodide and silver nitrate are mixed, forming a precipitate of silver iodide.

Skeleton Equation:

33. Aqueous solutions of potassium iodide and silver nitrate are mixed, forming a precipitate of silver iodide.

KI(aq) + AgNO3 (aq) →

KNO3(aq) + AgI(s)

Balanced Chemical Equation:

KI(aq) + AgNO3 (aq) →

KNO3(aq) + AgI(s)

Balanced Chemical Equation:

This equation is already balanced.

KI(aq) + AgNO3 (aq) →

KNO3(aq) + AgI(s)

Complete Ionic Equation:

Cross out spectator ions to make the net ionic equation.

K+(aq) + I-(aq) + Ag +(aq) + NO3-

(aq) → K+(aq) + NO3

-(aq) + AgI(s)

Complete Ionic Equation:

Cross out spectator ions to make the net ionic equation.

K+(aq) + I-(aq) + Ag +(aq) + NO3-

(aq) → K+(aq) + NO3

-(aq) + AgI(s)

Complete Ionic Equation:

Cross out spectator ions to make the net ionic equation.

K+(aq) + I-(aq) + Ag +(aq) + NO3-

(aq) → K+(aq) + NO3

-(aq) + AgI(s)

Complete Ionic Equation:

Cross out spectator ions to make the net ionic equation.

K+(aq) + I-(aq) + Ag +(aq) + NO3-

(aq) → K+(aq) + NO3

-(aq) + AgI(s)

Net Ionic Equation:

I-(aq) + Ag +(aq) → AgI(s)

Problem 34:

Aqueous solutions of ammonium phosphate and sodium sulfate are mixed. No precipitate forms and no gas is produced.

Skeleton Equation:

Aqueous solutions of ammonium phosphate and sodium sulfate are mixed. No precipitate forms and no gas is produced.

(NH4)3PO4 (aq) + Na2SO4 (aq) →NR

Problem 35:

Aqueous solutions of aluminum chloride and sodium hydroxide are mixed, forming a precipitate of aluminum hydroxide.

Skeleton Equation:

Aqueous solutions of aluminum chloride and sodium hydroxide are mixed, forming a precipitate of aluminum hydroxide.

AlCl3(aq) + NaOH(aq) →

Al(OH)3(aq) + NaCl(s)

Balanced Chemical Equation:

Aqueous solutions of aluminum chloride and sodium hydroxide are mixed, forming a precipitate of aluminum hydroxide.

AlCl3(aq) + 3NaOH(aq) →

Al(OH)3(s) + 3NaCl(aq)

Complete Ionic Equation:

Aqueous solutions of aluminum chloride and sodium hydroxide are mixed, forming a precipitate of aluminum hydroxide.

Al+3(aq) + 3Cl-(aq) + 3Na +(aq) + 3OH- (aq) →

Al(OH)3(s) + 3Na +(aq) + 3Cl-

(aq)

Net Ionic Equation:

Aqueous solutions of aluminum chloride and sodium hydroxide are mixed, forming a precipitate of aluminum hydroxide.

Al+3(aq) + 3OH- (aq) → Al(OH)3(s)

Problem 36:

Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming a precipitate of calcium sulfate.

Skeleton Equation:

Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming a precipitate of calcium sulfate.

Li2SO4(aq) + Ca(NO3)2(aq) →

LiNO3(aq) + CaSO4(s)

Balanced Chemical Equation:

Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming a precipitate of calcium sulfate.

Li2SO4(aq) + Ca(NO3)2(aq) →

2LiNO3(aq) + CaSO4(s)

Complete Ionic Equation:

Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming a precipitate of calcium sulfate.

2Li+(aq) + SO4- 2(aq) +

Ca+2(aq) + 2NO3-(aq) →

2Li+(aq) + 2NO3-(aq) +

CaSO4(s)

Net Ionic Equation:

Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming a precipitate of calcium sulfate.

SO4- 2(aq) + Ca+2(aq) →

CaSO4(s)

Problem 37:

Aqueous solutions of sodium carbonate and manganese(V) chloride are mixed, forming the precipitate manganese(V) carbonate.

Skeleton Equation:

Aqueous solutions of sodium carbonate and manganese(V) chloride are mixed, forming the precipitate manganese(V) carbonate.

Na2CO3(aq) + MnCL5(aq) →

NaCl(aq) + Mn2(CO3)5(s)

Balanced Chemical Equation:

Aqueous solutions of sodium carbonate and manganese(V) chloride are mixed, forming the precipitate manganese(V) carbonate.

5Na2CO3(aq) + 2MnCL5(aq) →

10NaCl(aq) + Mn2(CO3)5(s)

Complete Ionic Equation:

10Na+(aq) + 5CO3-2(aq) +

2Mn+5(aq) + 10Cl-(aq) →10Na+(aq) + 10Cl-(aq) +

Mn2(CO3)5(s)

Net Ionic Equation:

5CO3

-2(aq) + 2Mn+5(aq) + →

Mn2(CO3)5(s)

Homework:

Finish your lab write-up.

For your discussion, answer the “Analyze and Conclude”

questions on page 301.