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Chemistry · PYQ NEET UG 2018

हिन्दी

In which case is the number of molecules of water maximum?

  1. \( 18\text{ mL of water} \)
  2. \( 0.18\text{ g of water} \)
  3. \( 0.00224\text{ L of water vapours at 1 atm and 273 K} \)
  4. \( 10^{-3}\text{ mol of water} \)

Correct answer · Option 1

\( 18\text{ mL of water} \)

Explanation

18 mL of water \( \approx 18\text{ g} = 1\text{ mole} \) = \( 6.022 \times 10^{23} \) molecules, which is the highest among all options.
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