Ultimate Quiz On Stoichiometry Quiz

8 Questions | By Vbknipp | Updated: Mar 21, 2022 | Attempts: 7770

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Ultimate Quiz On Stoichiometry Quiz - Quiz

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1.

Mole ratios for a reaction are obtained from the
- A.
  
  Coefficients
- B.
  
  Chemical symbols
- C.
  
  Molar masses
- D.
  
  Subscripts
2.

If 5.5 mol calcium carbide (CaC₂) reacts with an excess of water, how many moles of acetylene (C₂H₂) will be produced? The balanced equation is as follows: CaC₂ + 2H₂O → Ca(OH)₂ + C₂H₂
- A.
  
  11.0 moles
- B.
  
  5.50 moles
- C.
  
  352.0 moles
- D.
  
  2.75 moles
3.

Use the following balanced equation to determine how many moles of CaCO₃ can be dissolved in 0.0250 mol of HCl. CaCO₃ + 2HCl → CaCl₂+ H₂O + CO₂
- A.
  
  0.0250 mol
- B.
  
  0.05 mol
- C.
  
  0.0125 mol
- D.
  
  2.5 mol
4.

Consider the following balanced equation. C₁₂H₂₂O₁₁ + 3O₂ → 2H₃C₆H₅O₇ + 3H₂O Determine the mass of citric acid (H₃C₆H₅O7) produced when 2.5 mol C₁₂H₂₂O₁₁is used.
- A.
  
  5.0 mol
- B.
  
  192.14 grams
- C.
  
  481 grams
- D.
  
  961 grams
5.

Chloroform (CHCl₃) is produced by a reaction between methane and chlorine. Use the balanced chemical equation for this reaction to determine the mass of CH₄ needed to produce 50.0 g of CHCl_3. Balanced Equation: CH₄ + 3Cl₂ → CHCl₃ + 3HCl
- A.
  
  6.72 grams
- B.
  
  119.37 grams
- C.
  
  10.04 grams
- D.
  
  11.9 grams
6.

Determine the mole ratio necessary to convert mole of aluminum to moles of aluminum chloride. The balanced equation is 2AL + 3Cl₂ → 2AlCl₃
- A.
  
  2:3
- B.
  
  2:2
- C.
  
  3:2
7.

Using this balanced equation, 2C + FeCr₂O₄ → FeCr₂ + 2CO2, what mole ratio would you use to convert moles of FeCr₂O₄to moles of FeCr₂?
- A.
  
  1:1
- B.
  
  2:1
- C.
  
  2:2
8.

The balanced chemical equation for the reaction that is used to fuel rockets is N₂H₂ + H2O → N₂ + 2H₂O. How many grams of N₂H₂ are needed to produce 10.0 mol nitrogen gas?
- A.
  
  15 g
- B.
  
  300 g
- C.
  
  30.03 g
- D.
  
  Option 4