Mass and Mole Ratio in Stoichiometry

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Questions and Answers

What is the stoichiometric ratio between N2 and H2 in the given balanced chemical reaction?

  • 1:3 (correct)
  • 2:3
  • 3:1
  • 1:2

If 3 grams of N2 are available, how many moles of H2 are required for the complete reaction?

  • 6 moles
  • 3 moles
  • 9 moles (correct)
  • 1 mole

What is the stoichiometric ratio between N2 and NH3 in the given balanced chemical reaction?

  • 2:1
  • 1:3
  • 1:2 (correct)
  • 3:2

If 6 moles of H2 are available, what is the maximum number of moles of NH3 that can be produced?

<p>3 moles (D)</p> Signup and view all the answers

What is the importance of knowing the stoichiometric ratio in a balanced chemical reaction?

<p>To determine the amount of reactants needed for a desired amount of product (D)</p> Signup and view all the answers

If 4.5 grams of N2 are available, and the reaction proceeds to completion, what mass of NH3 will be produced?

<p>$\frac{9}{14} \times 4.5 \times 2 = 6.43$ grams (A)</p> Signup and view all the answers

If 9 grams of H2 are available initially, what is the maximum mass of NH3 that can be produced?

<p>$\frac{17}{3} \times 9 = 51.0$ grams (B)</p> Signup and view all the answers

If a mixture contains 2.4 grams of N2 and 1.8 grams of H2, what is the limiting reactant?

<p>H2 (A)</p> Signup and view all the answers

If 10 grams of NH3 are produced, what mass of N2 was consumed in the reaction?

<p>$\frac{14}{17} \times 10 = 8.24$ grams (B)</p> Signup and view all the answers

If 6 grams of N2 and 9 grams of H2 react completely, what mass of NH3 will be left unreacted?

<p>0 grams (D)</p> Signup and view all the answers

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