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8. Consider the following balanced chemical equation: 2Na(s) + Cl2(g) → 2NaCl(s) If 4.12 mol of chlorine react with sodium metal, how many moles of sodium metal are consumed? A) 23.0 mol B) 8.24 mol C) 4.12 mol D) 2.06 mol

8. Consider the following balanced chemical equation: 2Na(s) + Cl2(g) → 2NaCl(s) If 4.12 mol of chlorine react with sodium metal, how many moles of sodium metal are consumed? A) 23.0 mol B) 8.24 mol C) 4.12 mol D) 2.06 mol

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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Grade 12 chemistry collage Multiple Choice
8. Consider the following balanced chemical equation: 2Na(s) + Cl2(g) → 2NaCl(s) If 4.12 mol of chlorine react with sodium metal, how many moles of sodium metal are consumed? A) 23.0 mol B) 8.24 mol C) 4.12 mol D) 2.06 mol 9. In a lab, 67.2 g of copper(II) chloride is dissolved in enough water to make 250 mL of solution. What is the molar concentration of the solution? A) 2.5 mol/L B) 2.0 mol/L C) 1.0 mol/L D) 0.50 mol/L 10. What type of reaction is a precipitation reaction? A) synthesis reaction B) decomposition reaction C) single displacement reaction D) double displacement reaction 11. What is the precipitate in the following reaction? SrCl₂ + MgSO4 →→ SrSO4 + MgCl₂ A) SrCl₂ B) MgSO4 C) SrSO4 D) MgCl₂ 12. Which property is not characteristic of a base? A) feels slippery B) does not react with an active metal C) reacts with ammonium chloride to produce ammonia gas D) reacts with carbonate compounds to produce carbon dioxide gas 13. Identify the piece of laboratory equipment shown below. A) burette B) Erlenmeyer flask C) pipette D) volumetric flask
Transcribed Image Text:8. Consider the following balanced chemical equation: 2Na(s) + Cl2(g) → 2NaCl(s) If 4.12 mol of chlorine react with sodium metal, how many moles of sodium metal are consumed? A) 23.0 mol B) 8.24 mol C) 4.12 mol D) 2.06 mol 9. In a lab, 67.2 g of copper(II) chloride is dissolved in enough water to make 250 mL of solution. What is the molar concentration of the solution? A) 2.5 mol/L B) 2.0 mol/L C) 1.0 mol/L D) 0.50 mol/L 10. What type of reaction is a precipitation reaction? A) synthesis reaction B) decomposition reaction C) single displacement reaction D) double displacement reaction 11. What is the precipitate in the following reaction? SrCl₂ + MgSO4 →→ SrSO4 + MgCl₂ A) SrCl₂ B) MgSO4 C) SrSO4 D) MgCl₂ 12. Which property is not characteristic of a base? A) feels slippery B) does not react with an active metal C) reacts with ammonium chloride to produce ammonia gas D) reacts with carbonate compounds to produce carbon dioxide gas 13. Identify the piece of laboratory equipment shown below. A) burette B) Erlenmeyer flask C) pipette D) volumetric flask
14. What do you call the point when the number of moles of a standard solution is stoichiometrically equal to the original number of moles of an unknown solution? A) end point B) standard point C) equivalence point D) titration point 15. Organic Chemistry deals primarily with which element? A) silicon B) potassium C) carbon D) oxygen E) hydrogen 16. Alkenes are characterized by their: A) single bonds B) double bonds C) triple bonds D) no bonds 17. What is the oxidation number of phosphorus in K4P₂O7? A) +5 B) +6 C) +4 D) +10 E) +8 18. The concept of rechargeable batteries is a technology associated with: A) electrochemistry B) organic chemistry C) biochemistry D) neochemistry
Transcribed Image Text:14. What do you call the point when the number of moles of a standard solution is stoichiometrically equal to the original number of moles of an unknown solution? A) end point B) standard point C) equivalence point D) titration point 15. Organic Chemistry deals primarily with which element? A) silicon B) potassium C) carbon D) oxygen E) hydrogen 16. Alkenes are characterized by their: A) single bonds B) double bonds C) triple bonds D) no bonds 17. What is the oxidation number of phosphorus in K4P₂O7? A) +5 B) +6 C) +4 D) +10 E) +8 18. The concept of rechargeable batteries is a technology associated with: A) electrochemistry B) organic chemistry C) biochemistry D) neochemistry
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