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What is the number of moles in 180 grams of glucose (C6H12O6)?

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Question: What is the number of moles in 180 grams of glucose (C6H12O6)?

Options:

  1. 1
  2. 2
  3. 0.5
  4. 3

Correct Answer: 1

Solution: 

Molar mass of C6H12O6 = 6*12 + 12*1 + 6*16 = 180 g/mol. Number of moles = mass/molar mass = 180 g / 180 g/mol = 1 mole.

What is the number of moles in 180 grams of glucose (C6H12O6)?

Practice Questions

Q1
What is the number of moles in 180 grams of glucose (C6H12O6)?
  1. 1
  2. 2
  3. 0.5
  4. 3

Questions & Step-by-Step Solutions

What is the number of moles in 180 grams of glucose (C6H12O6)?
Correct Answer: 1 mole
  • 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 molar mass: 6 carbon (C) atoms * 12 g/mol + 12 hydrogen (H) atoms * 1 g/mol + 6 oxygen (O) atoms * 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.
  • Step 6: Use the formula for the number of moles: Number of moles = mass / molar mass.
  • Step 7: Substitute the values: Number of moles = 180 g / 180 g/mol.
  • Step 8: Calculate the result: 180 g / 180 g/mol = 1 mole.
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