Moderate

According to Avogadro's law, 0.899g of 1dm3 H2 and 1.4384g of 1dm3 O2 have _number of molecules.

Correct answer: A. Same

  • A. Same
  • B. Different
  • C. H2 has more
  • D. O2 has more

Explanation

According to Avogadro's law, 0.899g of 1dm³ H₂ and 1.4384g of 1 dm³ of O₂ have the same number of molecules. Avogadro's law states that "equal volume of all gases beneath comparable situations of temperature and pressure have an equal number of molecules in it."

Last updated

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.

Practise Fundamental Concepts of Chemistry

894 free Fundamental Concepts of Chemistry MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Chemistry questions like this

Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions