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What is the number of moles in 44 grams of CO2?

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Question: What is the number of moles in 44 grams of CO2?

Options:

  1. 1
  2. 2
  3. 0.5
  4. 0.25

Correct Answer: 1

Solution: 

Molar mass of CO2 = 12 + 16*2 = 44 g/mol. Number of moles = mass/molar mass = 44 g / 44 g/mol = 1 mole.

What is the number of moles in 44 grams of CO2?

Practice Questions

Q1
What is the number of moles in 44 grams of CO2?
  1. 1
  2. 2
  3. 0.5
  4. 0.25

Questions & Step-by-Step Solutions

What is the number of moles in 44 grams of CO2?
Correct Answer: 1 mole
  • Step 1: Identify the chemical formula of carbon dioxide, which is CO2.
  • Step 2: Calculate the molar mass of CO2. Carbon (C) has a molar mass of 12 g/mol and oxygen (O) has a molar mass of 16 g/mol.
  • Step 3: Since there are 2 oxygen atoms in CO2, calculate the total mass of oxygen: 16 g/mol * 2 = 32 g/mol.
  • Step 4: Add the molar mass of carbon and the total mass of oxygen: 12 g/mol (C) + 32 g/mol (O) = 44 g/mol.
  • Step 5: Use the formula to find the number of moles: Number of moles = mass / molar mass.
  • Step 6: Substitute the values: Number of moles = 44 g / 44 g/mol.
  • Step 7: Calculate the result: 44 g / 44 g/mol = 1 mole.
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