Senior 2024 Spring Final Exam Master

Last updated 8 months ago

8 questions

Calculating Molar Mass

Required

Grams to Moles Conversions

Required

Moles to Moles Stoichiometry

Required

Mass to Mass Stoichiometry

Required

Quality Control Titration Scenario

Library

Senior 2024 Spring Final Exam Master

Last updated 8 months ago

8 questions

Calculating Molar Mass

Required

Question 1

Calculate the molar mass for calcium carbonate: CaCO3

88.08 g/mol

60.01 g/mol

40.08 g/mol

100.09 g/mol

Required

Question 2

Calculate the molar mass for octanoic acid: C8H16O2

112.24 g/mol

72.12 g/mol

128.08 g/mol

144.24 g/mol

Grams to Moles Conversions

Required

Question 3

Calculate the number of moles of sodium hydroxide that is present in 16.45 g of NaOH [use 41.00 g/mol as the molar mass for NaOH]

0.40 mol NaOH

2.49 mol NaOH

4.98 mol NaOH

674.45 mol NaOH

Required

Question 4

Calculate the number of moles of carbon dioxide that is present in 8.23 g of CO2 [use 44.01 g/mol as the molar mass for CO2]

0.535 mol CO2

5.35 mol CO2

0.0187 mol CO2

0.187 mol CO2

Moles to Moles Stoichiometry

Required

Question 5

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O
How many moles of C3H8 are needed to produce 25 moles CO2 ?

41.6 mol C3H8

75.0 mol C3H8

18.75 mol C3H8

8.33 mol C3H8 

Required

Question 6

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

12.5 mol H2SO4

Not enough information to calculate

.125 mol H2SO4

6.25 mol H2SO4

Required

Question 7

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Not enough information to calculate

Mass to Mass Stoichiometry

Required

Question 8

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)
If 27.0 g of H2 reacts, what mass of NH3 is formed?

342 g NH3

15.2 g NH3

34.2 g NH3

152 g NH3

Quality Control Titration Scenario

Question 1

Calculate the molar mass for calcium carbonate: CaCO3

88.08 g/mol

60.01 g/mol

40.08 g/mol

100.09 g/mol

Question 2

Calculate the molar mass for octanoic acid: C8H16O2

112.24 g/mol

72.12 g/mol

128.08 g/mol

144.24 g/mol

Question 3

Calculate the number of moles of sodium hydroxide that is present in 16.45 g of NaOH [use 41.00 g/mol as the molar mass for NaOH]

0.40 mol NaOH

2.49 mol NaOH

4.98 mol NaOH

674.45 mol NaOH

Question 4

Calculate the number of moles of carbon dioxide that is present in 8.23 g of CO2 [use 44.01 g/mol as the molar mass for CO2]

0.535 mol CO2

5.35 mol CO2

0.0187 mol CO2

0.187 mol CO2

Question 5

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O
How many moles of C3H8 are needed to produce 25 moles CO2 ?

41.6 mol C3H8

75.0 mol C3H8

18.75 mol C3H8

8.33 mol C3H8 

Question 6

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

12.5 mol H2SO4

Not enough information to calculate

.125 mol H2SO4

6.25 mol H2SO4

Question 7

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Not enough information to calculate

Question 8

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)
If 27.0 g of H2 reacts, what mass of NH3 is formed?

342 g NH3

15.2 g NH3

34.2 g NH3

152 g NH3

Senior 2024 Spring Final Exam Master

Senior 2024 Spring Final Exam Master

Calculate the molar mass for calcium carbonate: CaCO3

Calculate the molar mass for octanoic acid: C8H16O2

Calculate the number of moles of sodium hydroxide that is present in 16.45 g of NaOH [use 41.00 g/mol as the molar mass for NaOH]

Calculate the number of moles of carbon dioxide that is present in 8.23 g of CO2 [use 44.01 g/mol as the molar mass for CO2]

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O How many moles of C3H8 are needed to produce 25 moles CO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4 How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4 Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)If 27.0 g of H2 reacts, what mass of NH3 is formed?

Calculate the molar mass for calcium carbonate: CaCO3

Calculate the molar mass for octanoic acid: C8H16O2

Calculate the number of moles of sodium hydroxide that is present in 16.45 g of NaOH [use 41.00 g/mol as the molar mass for NaOH]

Calculate the number of moles of carbon dioxide that is present in 8.23 g of CO2 [use 44.01 g/mol as the molar mass for CO2]

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O How many moles of C3H8 are needed to produce 25 moles CO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4 How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4 Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)If 27.0 g of H2 reacts, what mass of NH3 is formed?

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O
How many moles of C3H8 are needed to produce 25 moles CO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)
If 27.0 g of H2 reacts, what mass of NH3 is formed?

Given the balanced equation: C3H8 + 5 O2 ------> 3 CO2 + 4 H2O
How many moles of C3H8 are needed to produce 25 moles CO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
How many moles of H2SO4 are produced from 12.5 moles of SO2 ?

Given the balanced equation: 2 SO2 + O2 + 2 H2O ------> 2 H2SO4
Which is the correct mole ratio to calculate how many moles of O2 are needed to produce 12.5 moles H2SO4 ?

Hydrogen reacts with excess nitrogen as follows: N2 (g) + 3H2 (g) -----> 2 NH3 (g)
If 27.0 g of H2 reacts, what mass of NH3 is formed?