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What is the empirical formula of glucose (C6H12O6)?

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What’s inside this PDF?

Question: What is the empirical formula of glucose (C6H12O6)?

Options:

  1. C6H12O6
  2. CH2O
  3. C3H6O3
  4. C2H4O2

Correct Answer: CH2O

Solution:

The empirical formula is the simplest whole number ratio of the elements in a compound. For glucose, it is CH2O.

What is the empirical formula of glucose (C6H12O6)?

Practice Questions

Q1
What is the empirical formula of glucose (C6H12O6)?
  1. C6H12O6
  2. CH2O
  3. C3H6O3
  4. C2H4O2

Questions & Step-by-Step Solutions

What is the empirical formula of glucose (C6H12O6)?
Correct Answer: CH2O
  • Step 1: Identify the number of each type of atom in the molecular formula of glucose, which is C6H12O6.
  • Step 2: Count the number of carbon (C), hydrogen (H), and oxygen (O) atoms: There are 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms.
  • Step 3: Find the greatest common divisor (GCD) of the numbers of atoms. The GCD of 6, 12, and 6 is 6.
  • Step 4: Divide the number of each type of atom by the GCD: C: 6/6 = 1, H: 12/6 = 2, O: 6/6 = 1.
  • Step 5: Write the empirical formula using the simplified numbers: The empirical formula is CH2O.
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