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Some Basic Concepts of Chemistry question

2015 · Q93
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Some Basic Concepts of Chemistry question

2015 · Q93

NEETChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
The number of water molecules is maximum in
  1. A
    1.8 gram of water
  2. B
    18 gram of water
  3. C
    18 moles of water
  4. D
    18 molecules of water
View written solutionFree

Correct answer: C

1.8 g of water = 6.023×102318×1.8{{6.023 \times {{10}^{23}}} \over {18}} \times 1.8186.023×1023​×1.8

= 6.023 ×\times× 1022 molecules

∴\therefore∴ 18 g of water = 6.023 ×\times× 1023 molecules = 1 mole of water

∴\therefore∴ 18 moles of water = 18 ×\times× 6.023 ×\times× 1023 molecules

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