How many grams are in 0.5 moles of glucose (C6H12O6)? (2023)

Practice Questions

Q1
How many grams are in 0.5 moles of glucose (C6H12O6)? (2023)
  1. 90 g
  2. 180 g
  3. 45 g
  4. 60 g

Questions & Step-by-Step Solutions

How many grams are in 0.5 moles of glucose (C6H12O6)? (2023)
  • Step 1: Identify the chemical formula of glucose, which is C6H12O6.
  • Step 2: Calculate the molar mass of glucose by adding the atomic masses of all the atoms in the formula.
  • Step 3: For glucose, calculate the total mass: 6 carbon (C) atoms x 12 g/mol + 12 hydrogen (H) atoms x 1 g/mol + 6 oxygen (O) atoms x 16 g/mol.
  • Step 4: Perform the calculations: 6*12 = 72, 12*1 = 12, 6*16 = 96.
  • Step 5: Add these values together: 72 + 12 + 96 = 180 g/mol. This is the molar mass of glucose.
  • Step 6: To find the mass of 0.5 moles of glucose, multiply the number of moles (0.5) by the molar mass (180 g/mol).
  • Step 7: Perform the multiplication: 0.5 moles x 180 g/mol = 90 g.
  • Step 8: Conclude that there are 90 grams in 0.5 moles of glucose.
  • 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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