How many grams are in 4 moles of sulfuric acid (H2SO4)? (2023)

Practice Questions

Q1
How many grams are in 4 moles of sulfuric acid (H2SO4)? (2023)
  1. 196 g
  2. 98 g
  3. 392 g
  4. 294 g

Questions & Step-by-Step Solutions

How many grams are in 4 moles of sulfuric acid (H2SO4)? (2023)
  • 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: 2 hydrogen (H), 1 sulfur (S), and 4 oxygen (O).
  • Step 3: The atomic mass of hydrogen (H) is approximately 1 g/mol, sulfur (S) is approximately 32 g/mol, and oxygen (O) is approximately 16 g/mol.
  • Step 4: Calculate the total mass: 2*1 (for H) + 1*32 (for S) + 4*16 (for O) = 2 + 32 + 64 = 98 g/mol.
  • Step 5: Now, to find the mass of 4 moles of H2SO4, multiply the number of moles (4) by the molar mass (98 g/mol).
  • Step 6: Perform the multiplication: 4 moles * 98 g/mol = 392 g.
  • Step 7: Therefore, the mass of 4 moles of sulfuric acid is 392 grams.
  • Molar Mass Calculation – Understanding how to calculate the molar mass of a compound by summing the atomic masses of its constituent elements.
  • Mole to Mass Conversion – Applying the relationship between moles and mass using the formula: mass = moles x molar mass.
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