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How many grams are in 3 moles of glucose (C6H12O6)?

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Question: How many grams are in 3 moles of glucose (C6H12O6)?

Options:

  1. 180 g
  2. 360 g
  3. 540 g
  4. 90 g

Correct Answer: 360 g

Solution: 

Molar mass of glucose = 6*12 + 12*1 + 6*16 = 180 g/mol. Mass = moles x molar mass = 3 moles x 180 g/mol = 540 g.

How many grams are in 3 moles of glucose (C6H12O6)?

Practice Questions

Q1
How many grams are in 3 moles of glucose (C6H12O6)?
  1. 180 g
  2. 360 g
  3. 540 g
  4. 90 g

Questions & Step-by-Step Solutions

How many grams are in 3 moles of glucose (C6H12O6)?
Correct Answer: 540 g
  • 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 mass of carbon (C): 6 atoms * 12 g/mol = 72 g.
  • Step 4: Calculate the mass of hydrogen (H): 12 atoms * 1 g/mol = 12 g.
  • Step 5: Calculate the mass of oxygen (O): 6 atoms * 16 g/mol = 96 g.
  • Step 6: Add the masses together: 72 g (C) + 12 g (H) + 96 g (O) = 180 g/mol.
  • Step 7: Use the molar mass to find the mass of 3 moles of glucose: 3 moles * 180 g/mol = 540 g.
  • Molar Mass Calculation – Understanding how to calculate the molar mass of a compound by summing the atomic masses of its constituent elements.
  • Moles to Grams Conversion – Applying the relationship between moles and grams using the formula: mass = moles x molar mass.
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