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In the reaction 2Na + Cl2 → 2NaCl, how many moles of NaCl are produced from 4 mo

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Question: In the reaction 2Na + Cl2 → 2NaCl, how many moles of NaCl are produced from 4 moles of Na? (2023)

Options:

  1. 2 moles
  2. 4 moles
  3. 6 moles
  4. 8 moles

Correct Answer: 4 moles

Exam Year: 2023

Solution: 

From 2 moles of Na, 2 moles of NaCl are produced. Therefore, from 4 moles of Na, 4 moles of NaCl are produced.

In the reaction 2Na + Cl2 → 2NaCl, how many moles of NaCl are produced from 4 mo

Practice Questions

Q1
In the reaction 2Na + Cl2 → 2NaCl, how many moles of NaCl are produced from 4 moles of Na? (2023)
  1. 2 moles
  2. 4 moles
  3. 6 moles
  4. 8 moles

Questions & Step-by-Step Solutions

In the reaction 2Na + Cl2 → 2NaCl, how many moles of NaCl are produced from 4 moles of Na? (2023)
  • Step 1: Look at the chemical equation: 2Na + Cl2 → 2NaCl.
  • Step 2: Identify the ratio of Na to NaCl in the equation. For every 2 moles of Na, 2 moles of NaCl are produced.
  • Step 3: Since the ratio is 1:1 (2 moles of Na produces 2 moles of NaCl), we can say that 4 moles of Na will produce 4 moles of NaCl.
  • Step 4: Therefore, if you start with 4 moles of Na, you will end up with 4 moles of NaCl.
  • Stoichiometry – Understanding the relationship between reactants and products in a chemical reaction based on balanced equations.
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