Home
Class 11
CHEMISTRY
No of molecules in 2.2 grams of Co(2)...

No of molecules in 2.2 grams of `Co_(2)`

Text Solution

Verified by Experts

`=(2.2)/(44) xx 6.023 xx 10^(23) = 3.30115 xx 10^(22)`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    NARAYNA|Exercise LEVEL-V|122 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    NARAYNA|Exercise EXERCISE - IV|43 Videos

Similar Questions

Explore conceptually related problems

The number of molecules in 11 g of CO_(2) is same as that in

Calculate the number of gram atoms and gram molecules in 2.54 mg of iodine (I_(2)) . (Atomic mass of I = 127 amu).

A flask contains 2.0xx10^(13) molecules of CO_(2) . To this 1.5xx10^(14) molecules of CO_(2) are added. The number of molecules in the flask now is

Number of molecules of CO_(2) which is produced on heating?

NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Mass of one hydrogen atom

    Text Solution

    |

  2. No of atoms in 4 gram of calcium

    Text Solution

    |

  3. No of molecules in 2.2 grams of Co(2)

    Text Solution

    |

  4. The volume occupied by 35.5g of CI(2) at S.T.P.

    Text Solution

    |

  5. Calculate the no. of moles in 0.72 grams of glucose ?

    Text Solution

    |

  6. Calculate weight of 0.1 moles of Na(2)CO(3)?

    Text Solution

    |

  7. Calculate the number of moles in 5.6 lit of methane at STP ?

    Text Solution

    |

  8. Calculate weight of 3.011 xx 10^(23) molecules of SO(2)?

    Text Solution

    |

  9. Calculate the number of molecules in 1120 ml of hydrogen at STP?

    Text Solution

    |

  10. What is the ratio of number of molecules, if tha mass ratio of N(2) an...

    Text Solution

    |

  11. Equivalent weight of sulphate ion and bicarbonate ion :

    Text Solution

    |

  12. H(2)SO(4)+NaOH rarr NaHSO(4)+H(2)O In this equation the equivalent wei...

    Text Solution

    |

  13. H(2)SO(4)+2NaOH rarr Na(2)SO(4) +2H(2)O In this equation the equivalen...

    Text Solution

    |

  14. Mg(OH)(2)+HCI rarr Mg(OH)CI +H(2)O In this reaction, the equivalent ...

    Text Solution

    |

  15. Mg(OH)(2) +2HCI rarr MgCI(2) +2H(2)O In this reaction, the equivalen...

    Text Solution

    |

  16. 1.0 g of a metal oxide gave 0.2 g of metal. Calculate the equivalent w...

    Text Solution

    |

  17. 74.5 g of a metallic chloride contain 35.5 g of chlorine. The equivale...

    Text Solution

    |

  18. 24 grams of metal reacts with an acid and liberated 22.4 lit of hydrog...

    Text Solution

    |

  19. 1.520 g of the hydroxide of a metal on ignition gave 0.995 g of oxide....

    Text Solution

    |

  20. On analysing an impure sample of sodium chloride, the percentage of ch...

    Text Solution

    |