Senior 2024 Spring Final Exam Part 1 (5/22/2024)

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

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Senior 2024 Spring Final Exam Part 1 (5/22/2024)

Last updated 8 months ago

8 questions

Calculating Molar Mass

Required

Question 1

Calculate the molar mass for calcium carbonate: CaCO3

60.01 g/mol

100.09 g/mol

40.08 g/mol

88.08 g/mol

Required

Question 2

Calculate the molar mass for octanoic acid: C8H16O2

128.08 g/mol

72.12 g/mol

112.24 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]

674.45 mol NaOH

4.98 mol NaOH

2.49 mol NaOH

0.40 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

0.187 mol CO2

0.0187 mol CO2

5.35 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 ?

8.33 mol C3H8 

75.0 mol C3H8

18.75 mol C3H8

41.6 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?

15.2 g NH3

34.2 g NH3

342 g NH3

152 g NH3

Question 1

Calculate the molar mass for calcium carbonate: CaCO3

60.01 g/mol

100.09 g/mol

40.08 g/mol

88.08 g/mol

Question 2

Calculate the molar mass for octanoic acid: C8H16O2

128.08 g/mol

72.12 g/mol

112.24 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]

674.45 mol NaOH

4.98 mol NaOH

2.49 mol NaOH

0.40 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

0.187 mol CO2

0.0187 mol CO2

5.35 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 ?

8.33 mol C3H8 

75.0 mol C3H8

18.75 mol C3H8

41.6 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?

15.2 g NH3

34.2 g NH3

342 g NH3

152 g NH3

Senior 2024 Spring Final Exam Part 1 (5/22/2024)

Senior 2024 Spring Final Exam Part 1 (5/22/2024)

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?