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NEET2004ChemistrySome Basic Concepts of ChemistryActual

The maximum number of molecules is present in:

Options

  1. A15 ~L of H ₂ gas at STP
  2. B5 ~L of N ₂ gas at STP
  3. C0.5 ~g of H ₂ gas
  4. D10 ~g of O ₂ gas

Correct answer

A. 15 ~L of H ₂ gas at STP

Step-by-step solution

At STP 22.4 ~L H ₂=6.023 10²³ molecules aligned 15 ~L H ₂ & = 6.023 10²³ 15 22.4 & =4.033 10²³ 5 ~L ~N ₂ & = 6.023 10²³ 5 22.4 & =1.344 10²³ 0.5 ~g H ₂ & = 6.023 10²³ 0.5 2 & =1.505 10²³ 10 ~g of ₂ & = 6.023 10²³ 10 32 & =1.882 10²³ . aligned

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