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Aqueous sulfuric acid (H₂SO₄) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na₂SO₄) and liquid water (H₂O).

Suppose 36.3 g of sulfuric acid is mixed with 11.0 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Round your answer to 2 significant digits.

Answer :

Final answer:

The maximum mass of water that could be produced by the chemical reaction between 36.3 g of sulfuric acid and 11.0 g of sodium hydroxide is 9.91 grams.

Explanation:

To calculate the maximum mass of water produced in the reaction between sulfuric acid and sodium hydroxide, we need to follow these steps:

  1. Convert the given masses of sulfuric acid and sodium hydroxide to moles.
  2. Determine the limiting reactant by comparing the moles of sulfuric acid and sodium hydroxide.
  3. Use the stoichiometry of the balanced equation to find the moles of water produced.
  4. Convert the moles of water to grams.

Step 1: Convert the given masses to moles:

Mass of sulfuric acid (H₂SO₄) = 36.3 g

Mass of sodium hydroxide (NaOH) = 11.0 g

Molar mass of H₂SO₄ = 98.09 g/mol

Molar mass of NaOH = 40.00 g/mol

Moles of H₂SO₄ = mass / molar mass = 36.3 g / 98.09 g/mol = 0.370 mol

Moles of NaOH = mass / molar mass = 11.0 g / 40.00 g/mol = 0.275 mol

Step 2: Determine the limiting reactant:

From the balanced equation, we can see that the stoichiometric ratio between H₂SO₄ and NaOH is 1:2. Therefore, for every 1 mole of H₂SO₄, we need 2 moles of NaOH.

Since we have 0.370 mol of H₂SO₄ and 0.275 mol of NaOH, the NaOH is the limiting reactant because we have less than half the amount needed to react with all the H₂SO₄.

Step 3: Use the stoichiometry to find the moles of water produced:

From the balanced equation, we know that for every 1 mole of H₂SO₄, 2 moles of water are produced.

Since NaOH is the limiting reactant, we can use its moles to determine the moles of water produced.

Moles of water = 2 moles of NaOH = 2 * 0.275 mol = 0.550 mol

Step 4: Convert the moles of water to grams:

Molar mass of H₂O = 18.02 g/mol

Mass of water = moles * molar mass = 0.550 mol * 18.02 g/mol = 9.91 g

Therefore, the maximum mass of water that could be produced by the chemical reaction is 9.91 grams.

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