Home
Class 9
CHEMISTRY
The mass of one molecule of a substance ...

The mass of one molecule of a substance is `4.65 xx 10^(-23) g`. What is its molecular mass ? What colud this substance be ?

Text Solution

Verified by Experts

The correct Answer is:
`28 u`; Nitrogen.
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|205 Videos

  • IS MATTER AROUND US PURE

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK PAGE 24|1 Videos

Similar Questions

Explore conceptually related problems

The absolute mass of one molecules of a substance is 5.32 xx 10^(-23) g . What is its molecular mass ? What could this substance be ?

(A)The mass of one molecule of a substance is 4.65xx10^(-23)g . What is its molecular mass? What could be substance be? (b)Which have more molecules? 10g of sulphur dioxide (SO_(2)) or 10g of oxygen (O_(2)) ?

The mass of a single atom of an element X is 2.65 xx 10^(-23) g . What is its atomic mass ? What could this element be ?

The mass of one mole of a substance in grams is called its

Define 'molecular mass' of a substance.

The mass of a single atom of an element M is 3.15 xx 10^(-23) g . What is its atomic mass ? What could the element be ?

Are the mass of a molecule of a substance and its molar mass same?

Mass of one atom of an element is 2.66xx10^(-23)g . This mass is equal to

LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. Which of the following has the maximum number of atoms ?

    Text Solution

    |

  2. If 1 gram of sulphur dioxide contains x molecules, how many molecule...

    Text Solution

    |

  3. The mass of one molecule of a substance is 4.65 xx 10^(-23) g. What is...

    Text Solution

    |

  4. Which contains more molecules, 10 g of sulphur dioxide (SO(2)) or 10 g...

    Text Solution

    |

  5. What weight of oxygen gas will contain the same number of molecules a...

    Text Solution

    |

  6. What mass of nitrogen, N(2), will contain the same number of molecule...

    Text Solution

    |

  7. If one grams of sulphur contains x atoms, calculate the number of ato...

    Text Solution

    |

  8. How many grams of magnesium will have the same number of atoms as 6 ...

    Text Solution

    |

  9. The mass of one atom of an element X is 2.0 xx 10^(-23) g. (i) Calc...

    Text Solution

    |

  10. In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic ac...

    Text Solution

    |

  11. Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water....

    Text Solution

    |

  12. Which postulate of Dalton’s atomic theory is the result of the law of ...

    Text Solution

    |

  13. Which postulate of Dalton’s atomic theory can explain the law of defin...

    Text Solution

    |

  14. Define the atomic mass unit.

    Text Solution

    |

  15. Why is it not possible to see an atom with naked eyes?

    Text Solution

    |

  16. Write down the formulae of (i) sodium oxide (ii) aluminium chlor...

    Text Solution

    |

  17. Write down the names of compounds represented by the following formula...

    Text Solution

    |

  18. What is meant by the term chemical formula?

    Text Solution

    |

  19. How many atoms are present in a (i) H(2)S molecule and (ii) PO...

    Text Solution

    |

  20. Calculate the molecular masses of H(2), O(2), Cl(2), CO(2), CH(4), C(2...

    Text Solution

    |