16 gram of O2 contains
Correct answer: A. 6.02×10²³ atoms
- A. 6.02×10²³ atoms
- B. 3.01×10²³ atoms
- C. 6.04×10²³ molecules
- D. None
Explanation
Each molecule of oxygen gas contains 2 atoms oxygen 1mol => 6.02x10^23 molecules 1/2mol => x molecules Number of molecules= ½ x 6.02x10^23Number of atoms= 2 x ½ x 6.02x10^23
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About Fundamental Concepts of Chemistry
Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
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