Home
Class 11
CHEMISTRY
Calculate the mass of 2.5 gram molecular...

Calculate the mass of 2.5 gram molecular of water `(H_(2)O)`

Text Solution

Verified by Experts

Molecular mass of water `(H_(2)O) = 1 xx 2 + 16 = 18`u
1gram molecule of `H_(2)O` = gram molecular mass of `H_(2)O = 18g`
2.5 gram - molecule of `H_(2)O = 18 xx 2.5 = 45`
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    SUBHASH PUBLICATION|Exercise THREE MARKS QUESTION WITH ANSWERS|18 Videos

  • S-Block Elements

    SUBHASH PUBLICATION|Exercise Three marks questions and answers|8 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    SUBHASH PUBLICATION|Exercise NUMERICAL PROBLEMS AND ANSWERS|25 Videos

Similar Questions

Explore conceptually related problems

Calculate the molecular mass of water (H_(2)O) and water (O_(2)) and oxygen (O_(2)) .

Calculate the mass of 3.5 gram atom of calcium. Atomic mass of calcium is 40

Calculate the mass of the following ,2.5 moles of CO_2

Calculate the mass of the following : 5.4 moles of O_2

Calculate the molecular mass of H_(2)

Calculate the molecular mass of O_(2)

Calculate the molar mass of the following: (i) H_(2)O , (ii) CO_(2) , (iii) CH_(4)

Calculate the molecular mass of glucose.

Calculate the molecular mass of an atom.

Calculate the molecular mass of Cl_(2)

SUBHASH PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -NUMERICAL PROBLEMS AND ANSWERS:
  1. Calculate the mass of hydrochloric acid in 200 cm^(3) of 0.2 N solutio...

    Text Solution

    |

  2. 0.99 g of an acid was dissolved in water and the solution made up to 2...

    Text Solution

    |

  3. Calculate the mass of 2.5 gram molecular of water (H(2)O)

    Text Solution

    |

  4. Calculate the mass of one molecule of methane (CH(4)).

    Text Solution

    |

  5. Find the Molarity of Hydrochloric acid containing 31.5% of hydrochlori...

    Text Solution

    |

  6. Calculate the molecular mass of (i) oxalic and (ii) Formic acid (iii) ...

    Text Solution

    |

  7. 25.0 cm^(3) of an acid required exactly 20.5 cm^(3) of deci molar base...

    Text Solution

    |

  8. Exactly 20.0 cm^(3) of nitric acid neutralized 28.4 cm^(3) of 0.25 M N...

    Text Solution

    |

  9. 18.5 cm^(3) of oxalic acid was completely neutralised by 20.0 cm^(3), ...

    Text Solution

    |

  10. Calculate the number of moles of atoms in 10.2 g of sodium.

    Text Solution

    |

  11. Calculate the number of moles in (a) 10 g of Hydrogen molecules (b) 30...

    Text Solution

    |

  12. Calculate the mass of the following is grams (a) 5.4 moles of O(2) (b)...

    Text Solution

    |

  13. How many atoms of oxygen are present in 300 g of CaCO(3)?

    Text Solution

    |

  14. Calculate number of atoms in (a) 2.5 mole atoms of nitrogen (b) 8.4 of...

    Text Solution

    |

  15. Calculate the number of molecules in each of the following (a) 24 g of...

    Text Solution

    |

  16. A substances on analysis for the following percentage composition the ...

    Text Solution

    |

  17. A compound has the following composition Mg = 9.76%, S = 13.01 %, O=26...

    Text Solution

    |

  18. A compound has the following percentage composition. Carbon 80%, Hydro...

    Text Solution

    |

  19. An organic compound on analyis found to contain 92.3 % carbon and 7.7%...

    Text Solution

    |

  20. 4.2 g of Mg is burnt in 4.8 g of slushy to form magnesium sulphide.Wha...

    Text Solution

    |