Home
Class 9
CHEMISTRY
What is the mass of: 0.5 mole of water m...

What is the mass of: 0.5 mole of water molecules?

Text Solution

Verified by Experts

Molecular mass of water `(H_(2)O)=2xx1+16`
= 2 + 16 = 18u
`therefore` According to mole-concept,
mass of 1 mole of water molecules = 18 g
mass of 0.5 moles of water molecules = `18xx0.5g`
= 9g
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    SWAN PUBLICATION|Exercise IMPORTANT Q/A|27 Videos

  • ATOMS AND MOLECULES

    SWAN PUBLICATION|Exercise IMPORTANT Q/A|27 Videos

  • IS MATTER AROUND US PURE

    SWAN PUBLICATION|Exercise IMPORTANT Q/A|16 Videos

Similar Questions

Explore conceptually related problems

What is the mass of 0.5 mole of ammonia.

What is the mass of : 0.2 mole of oxyen atoms?

What is the mass of : 0.2 mole of oxyen atoms?

What is the mass of 0.1 mole of CO_2 in g ?

What is the mass of : 1 mole of nitrogen atoms ?

What is the mass of :) 5 moles of helium atoms (Atomic mass of helium= 4) ?

SWAN PUBLICATION-ATOMS AND MOLECULES-EXERCISES
  1. Write the chemical formula of the following :Calcium oxide

    Text Solution

    |

  2. Write the chemical formula of the following :Copper nitrate

    Text Solution

    |

  3. Write the chemical formula of the following :Aluminium chloride

    Text Solution

    |

  4. Write the chemical formula of the following :Calcium carbonate

    Text Solution

    |

  5. Give the names of the elements present in the following compounds (a...

    Text Solution

    |

  6. Calculate the molar mass of the following substances : EthyneC2H2

    Text Solution

    |

  7. Calculate the molar mass of the following substances :Sulphur moleule,...

    Text Solution

    |

  8. Calculate the molar mass of the following substances :Phosphorus molec...

    Text Solution

    |

  9. Calculate the molar mass of the following substances :Hydrochloric aci...

    Text Solution

    |

  10. Calculate the molar mass of the following substances : Nitiric acid,HN...

    Text Solution

    |

  11. What is the mass of : 1 mole of nitrogen atoms ?

    Text Solution

    |

  12. What is the mass of :) 4 moles of aluminium atoms (Atomic mass of alum...

    Text Solution

    |

  13. What is the mass of : 10 moles of sodium sulphite (Na2SO3)?

    Text Solution

    |

  14. Convert into moles : 12g of oxygen gas

    Text Solution

    |

  15. Convert into moles : 20g of water

    Text Solution

    |

  16. Convert into moles : 22g of carbon dioxide

    Text Solution

    |

  17. What is the mass of : 0.2 mole of oxyen atoms?

    Text Solution

    |

  18. What is the mass of: 0.5 mole of water molecules?

    Text Solution

    |

  19. Calculate the number of molecules of sulphur (S8) present in 16g of so...

    Text Solution

    |

  20. Calculate the number of aluminium ions present in 0.051 g of aluminium...

    Text Solution

    |