In the reaction 2H2 + O2 → 2H2O, how many moles of water are produced from 4 moles of hydrogen?
Correct Answer: 4 moles of H2O
- Step 1: Look at the chemical reaction: 2H2 + O2 → 2H2O.
- Step 2: Identify how many moles of hydrogen (H2) are involved in the reaction. The reaction shows that 2 moles of H2 produce 2 moles of water (H2O).
- Step 3: Since we have 4 moles of H2, we need to see how many times the 2 moles of H2 fit into 4 moles of H2.
- Step 4: Divide 4 moles of H2 by 2 moles of H2 from the reaction: 4 moles H2 ÷ 2 moles H2 = 2.
- Step 5: This means we have 2 times the amount of H2 from the reaction.
- Step 6: Since 2 moles of H2 produce 2 moles of H2O, then 2 times that amount will produce 2 times 2 moles of H2O.
- Step 7: Calculate 2 times 2 moles of H2O: 2 × 2 = 4 moles of H2O.
- Step 8: Therefore, 4 moles of H2 will produce 4 moles of H2O.
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