Home
Class 9
CHEMISTRY
If one mole of carbon atoms weighs 12 gr...

If one mole of carbon atoms weighs 12 grams, what is the mass (in grams) of 1 atom of carbon?

Text Solution

Verified by Experts

One mole of carbon atoms weighs 12g (Given)
i.e., mass of 1 mole of carbon atoms = 12g
Then, mass of 6.022× 1023 number of carbon atoms = 12g
Therefore, mass of 1 atom of carbon =
`12 div(6.022×10^(23))`
`= 1.9926 × 10^(- 23) g`
Promotional Banner

Topper's Solved these Questions

  • ATOMS AND MOLECULES

    NCERT|Exercise Example|2 Videos
  • ATOMS AND MOLECULES

    NCERT|Exercise Example|2 Videos
  • IS MATTER AROUND US PURE?

    NCERT|Exercise EXERCISE|17 Videos

Similar Questions

Explore conceptually related problems

One mole of carbon atom weighs 12g, the number of atoms in it is equal to, ( Mass of carbon-12 is 1.9926xx10^(-23)g )

What is meant by one gram of atom of iron ?

Calculate the mass (in grams) of a single C-12 atom.

If one mole of nitrogen molecules weighs 28 g , calculate the mass of one molecule of nitrogen in grams.

Explain gram atomic mass in terms of mole concept.

Assertion(A) One atomic mass unit is defined as one twelth of the mass of one carbon-12 atom. Reason(R) Carbon-12 isotope is the most abundant isotope of carbon and has been chosen as standard.

NCERT-ATOMS AND MOLECULES -Exercise
  1. Why is it not possible to see an atom with naked eyes?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. What is meant by the term chemical formula?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Calculate the formula unit masses of ZnO, Na(2)O, K(2)CO(3), given ato...

    Text Solution

    |

  8. If one mole of carbon atoms weighs 12 grams, what is the mass (in gram...

    Text Solution

    |

  9. Which has more number of atoms, 100 grams of sodium or 100 grams of ir...

    Text Solution

    |

  10. A 0.24 g sample of compound of oxygen and boron was found by analysis ...

    Text Solution

    |

  11. When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon diox...

    Text Solution

    |

  12. What are polyatomic ions? Give examples.

    Text Solution

    |

  13. Write the chemical formulae of the following. (a) Magnesium chlorid...

    Text Solution

    |

  14. Give the names of the elements present in the following compounds. ...

    Text Solution

    |

  15. Calculate the molar mass of the following substances. (a) Ethyne, ...

    Text Solution

    |

  16. What is the mass of— (a) 1 mole of nitrogen atoms? (b) 4 moles ...

    Text Solution

    |

  17. Convert into mole. (a) 12 g of oxygen gas (b) 20 g of water ...

    Text Solution

    |

  18. What is the mass of: (a) 0.2 mole of oxygen atoms? (b) 0.5 mole ...

    Text Solution

    |

  19. Calculate the number of molecules of sulphur (S(8)) present in 16 g of...

    Text Solution

    |

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

    Text Solution

    |