What is the mass of 2 moles of sulfuric acid (H2SO4)?

Practice Questions

Q1
What is the mass of 2 moles of sulfuric acid (H2SO4)?
  1. 98 g
  2. 196 g
  3. 294 g
  4. 392 g

Questions & Step-by-Step Solutions

What is the mass of 2 moles of sulfuric acid (H2SO4)?
  • Step 1: Identify the chemical formula of sulfuric acid, which is H2SO4.
  • Step 2: Calculate the molar mass of H2SO4 by adding the atomic masses of its elements.
  • Step 3: The atomic mass of hydrogen (H) is approximately 1 g/mol. Since there are 2 hydrogen atoms, we calculate 2 * 1 = 2 g.
  • Step 4: The atomic mass of sulfur (S) is approximately 32 g/mol. There is 1 sulfur atom, so it contributes 32 g.
  • Step 5: The atomic mass of oxygen (O) is approximately 16 g/mol. Since there are 4 oxygen atoms, we calculate 4 * 16 = 64 g.
  • Step 6: Add the contributions from all the elements: 2 g (H) + 32 g (S) + 64 g (O) = 98 g/mol. This is the molar mass of H2SO4.
  • Step 7: To find the mass of 2 moles of H2SO4, multiply the number of moles (2) by the molar mass (98 g/mol): 2 moles * 98 g/mol = 196 g.
  • Step 8: Therefore, the mass of 2 moles of sulfuric acid is 196 grams.
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