Home
Class 11
CHEMISTRY
The mass of 1.205 xx 10^(22) molecules o...

The mass of `1.205 xx 10^(22)` molecules of ammonia is

A

0.34 g

B

3.4 g

C

3.4 kg

D

34 g

Text Solution

Verified by Experts

The correct Answer is:
A
`6xx10^(23)-------17g`
`1.2xx10^(22)------?`
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - I (C.W)(EQUIVALENT WEIGHT)|10 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - I (C.W)(PERCENTAGE WEIGHT OF ELEMENTS IN COMPOUNDS MOLECULAR FORMULA & EMPERICAL FORMULA)|28 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - I (C.W)(SIGNIFICANT FIGURES)|17 Videos

  • SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)

    NARAYNA|Exercise All Questions|555 Videos

  • SOME BASIC PRINCIPLES AND TECHNIQUES

    NARAYNA|Exercise EXERCISE -IV (QUALITATIVE AND QUANTITATIVE ANALYSIS OF ORGANIC OF COMPOUNDS)|8 Videos

Similar Questions

Explore conceptually related problems

Calculate the mass of 12.044 xx 10^(25) molecules of oxygen (O_(2)) .

What is the weight of 3.01xx10^(23) molecules of ammonia?

Calculate the mass of 1.2044 xx 10^(23) molecules of O_(2) ("Atomic mass of O"=16u) .

Mass of one molecule of ammonia is

If the mass of 10^22 molecules of a hydrocarbon is about 1.2 g, then the gram molecular mass of hydrocarbon is :

NARAYNA-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE - I (C.W)(MOLE CONCEPT ATOMIC MASS, MOLECULAR MASS, AVOGADRO NUMBER)
  1. 1.5 moles of oxygen atoms are present in

    Text Solution

    |

  2. The number of atoms in 4.25 g of NH(3) is approximately

    Text Solution

    |

  3. 12 gm of an alkaline earth metal gives 14.8 g of its nitride. The atom...

    Text Solution

    |

  4. The isotopes of chlorine with mass numbers 35 and 37 exist in the rati...

    Text Solution

    |

  5. The gas having same number of molecules as 16g of oxygen is

    Text Solution

    |

  6. The weight of gaseous mixture containing 6.02xx10^(23) molecules of ni...

    Text Solution

    |

  7. The density of a gas at S.T.P. is 1.40 grams per litre. The molecular ...

    Text Solution

    |

  8. The no. of electrons present in one mole of Azide ion are (N3)^-1

    Text Solution

    |

  9. If the mass of an electron is 9 xx 10^(-28) grams weight of one mole o...

    Text Solution

    |

  10. If the weight of 5.6 litres of a gas at N.T.P. is 11 gram. The gas may...

    Text Solution

    |

  11. Number of milli moles in 1.0 gram of water

    Text Solution

    |

  12. Which of the following contains maximum number of molecules

    Text Solution

    |

  13. A pair of gasses having same number of molecules are

    Text Solution

    |

  14. The total volume of mixture of 2 gms of helium and 7 gms of nitrogen u...

    Text Solution

    |

  15. The number of atoms present in 10 gms of CaCO(3) are

    Text Solution

    |

  16. How many molecules are present in one in one gram of hydrogen?

    Text Solution

    |

  17. The mass of 1.205 xx 10^(22) molecules of ammonia is

    Text Solution

    |

  18. The total number of protons in 10g of calcium carbonate is (N(0) = 6.0...

    Text Solution

    |

  19. The volume of a gas in discharge tube is 1.12 xx 10^(-7) ml, at 0^(@)C...

    Text Solution

    |

  20. Elements A and B form two compounds B2​A3 and B2​A. If 0.05 moles of ...

    Text Solution

    |