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Calculate the number of molecules in each of the following samples: 6) 3.04 mol of C8H18 7) 0.002 mol of aspirin, CgHgO4 Calculate the mass of each of the following samples: 8) 17.2 mol of CO2

Calculate the number of molecules in each of the following samples: 6) 3.04 mol of C8H18 7) 0.002 mol of aspirin, CgHgO4 Calculate the mass of each of the following samples: 8) 17.2 mol of CO2

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter8: Chemical Composition
Section: Chapter Questions
Problem 100AP: f you have equal mole samples of NO2 and F2 , which of the following must be true? l type='a'> The...
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### Chemistry Exercises: Calculating Molecules and Mass #### Calculate the **number of molecules** in each of the following samples: 6. 3.04 mol of C₈H₁₈ 7. 0.002 mol of aspirin, C₉H₈O₄ #### Calculate the **mass** of each of the following samples: 8. 17.2 mol of CO₂ 9. 0.053 mol of (NH₄)₃PO₄
Transcribed Image Text:### Chemistry Exercises: Calculating Molecules and Mass #### Calculate the **number of molecules** in each of the following samples: 6. 3.04 mol of C₈H₁₈ 7. 0.002 mol of aspirin, C₉H₈O₄ #### Calculate the **mass** of each of the following samples: 8. 17.2 mol of CO₂ 9. 0.053 mol of (NH₄)₃PO₄
**Chemistry Mole Calculations** Calculate the **number of moles** in each of the following samples: 10) \(3.69 \times 10^{24}\) atoms of uranium, U 11) \(7.54 \times 10^{23}\) molecules of \(H_2O\) 12) 76.9 g of \(BaSO_4\) 13) 146.2 g of \(C_2H_5OH\) --- **Methane Production from Carbon Dioxide Reaction** Under certain circumstances, carbon dioxide, \(CO_2(g)\), can be made to react with hydrogen gas, \(H_2(g)\), to produce methane, \(CH_4(g)\), and water vapor, \(H_2O(g)\): \[ CO_2(g) + 4H_2(g) \rightarrow CH_4(g) + 2H_2O(g) \] 14) How many moles of methane are produced when 71.1 moles of carbon dioxide gas react? --- **Graphical Illustration**: This section contains a detailed chemical equation representing a reaction where carbon dioxide reacts with hydrogen gas to produce methane and water vapor. This balanced equation is instrumental in stoichiometric calculations.
Transcribed Image Text:**Chemistry Mole Calculations** Calculate the **number of moles** in each of the following samples: 10) \(3.69 \times 10^{24}\) atoms of uranium, U 11) \(7.54 \times 10^{23}\) molecules of \(H_2O\) 12) 76.9 g of \(BaSO_4\) 13) 146.2 g of \(C_2H_5OH\) --- **Methane Production from Carbon Dioxide Reaction** Under certain circumstances, carbon dioxide, \(CO_2(g)\), can be made to react with hydrogen gas, \(H_2(g)\), to produce methane, \(CH_4(g)\), and water vapor, \(H_2O(g)\): \[ CO_2(g) + 4H_2(g) \rightarrow CH_4(g) + 2H_2O(g) \] 14) How many moles of methane are produced when 71.1 moles of carbon dioxide gas react? --- **Graphical Illustration**: This section contains a detailed chemical equation representing a reaction where carbon dioxide reacts with hydrogen gas to produce methane and water vapor. This balanced equation is instrumental in stoichiometric calculations.
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