In a reaction where 2 moles of hydrogen react with 1 mole of oxygen, how many mo

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Question: In a reaction where 2 moles of hydrogen react with 1 mole of oxygen, how many moles of water are produced?

Options:

Correct Answer: 2 moles

Solution:

According to the balanced equation 2H2 + O2 → 2H2O, 2 moles of H2 produce 2 moles of H2O.

In a reaction where 2 moles of hydrogen react with 1 mole of oxygen, how many moles of water are produced?

In a reaction where 2 moles of hydrogen react with 1 mole of oxygen, how many moles of water are produced?

Step 1: Identify the reactants in the reaction. Here, we have hydrogen (H2) and oxygen (O2).
Step 2: Write down the balanced chemical equation for the reaction. The equation is 2H2 + O2 → 2H2O.
Step 3: Look at the coefficients in front of the reactants and products. The coefficient '2' in front of H2 means we have 2 moles of hydrogen.
Step 4: The coefficient '2' in front of H2O means that for every 2 moles of H2, we produce 2 moles of water (H2O).
Step 5: Since we started with 2 moles of H2, we will produce 2 moles of H2O.

Stoichiometry – Understanding the mole ratios in a balanced chemical equation.
Chemical Reactions – Recognizing how reactants convert to products in a chemical reaction.