Chemistry
Grade-9
Easy

Question

There are as many atoms in 'X' g of Sulfur as there are in 3 g of carbon. What exactly is 'X'?

  1. 8
  2. 16
  3. 32
  4. 24

hintHint:

Equal number of moles of any element has equal number of atoms.

The correct answer is: 8


    Atomic mass of Sulphur is 32 g.
    Atomic mass of Carbon is 12 g, 3 g of C is equal to 0.25 mole of C.
    Therefore, 0.25 mole of Sulphur is 8 g.
    We know, equal number of moles of any element has equal number of atoms.
    There are as many atoms in 8 g of Sulfur as there are in 3 g of carbon. 

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