Multiple choice

Number of atoms in 6 g of water is approximately equal to the number of atoms in ________of H2S.

  1. 3.75 g

  2. 8.5 g

  3. 11.33 g

  4. 17 g

  5. 34 g
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

6 g of water =  1/3 mole of water = 1/3 x 6.023 x 1023 molecules of water = 1/3 x 3 x 6.023 x 1023 atoms = 6.023 x 1023 atoms 11.33 g of H2S =  1/3 mole of H2S (approx) = 1/3 x 6.023 x 1023 molecules of H2S = 1/3 x 3 x 6.023 x 1023 atoms = 6.023 x 1023 atoms (approx).

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