Which of the following samples contain the largest number of atoms?
Correct answer: D. 1g of B
- A. 1g of Ni (s)
- B. 1g of Ca (s)
- C. 1g of N2
- D. 1g of B
Explanation
As the Mr of B(boron) is least hence the number of atoms is greatest in 1g of Boron.
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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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