Home
Class 11
CHEMISTRY
How many molecules are there in 56 mg HC...

How many molecules are there in 56 mg HCN ?

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL CALCULATION

    NCERT BANGLISH|Exercise Question ( Choose the best answer :)|17 Videos

  • CHEMICAL CALCULATION

    NCERT BANGLISH|Exercise Question ( Fill in the blanks )|7 Videos

  • CHEMICAL CALCULATION

    NCERT BANGLISH|Exercise EXAMPLE|3 Videos

  • CHEMICAL BONDING

    NCERT BANGLISH|Exercise Questions(E. Explain briefly on the following)|6 Videos

  • CHEMICAL EQUILIBRIUM - I

    NCERT BANGLISH|Exercise Questions(E. Explain briefly on the following)|4 Videos

Similar Questions

Explore conceptually related problems

How many molecules are there in 1 millimol NH_(3) gas ?

How many molecules are there in a 3.46 g sample of hydrogen chloride, HCl? Note: The number of molecules in a sample is related to moles of compound (1 mol HCl = 6.023 xx 10^(23) HCl molecules). Therefore if you first convert grams HCl to moles, then you can convert moles to number of molecules).

How many gram molecules are present in 4.9g of H_2SO_4 ?

How many oxygen molecules are used in glycolysis of one molecule of glucose ?

From substrate level phosphorylation how many ATP molecules are formed in glycolysis ?

How many ATP molecules are produced from a glucose molecule during the process of respiration.

How many molecules of CO_2 are present in one litre of air containing 0.03% volume of CO_2 at N.T.P.?

How many electrons are there in valence shell of Mg atom?

How many molecules of water used in photosynthesis

How many mole of water molecules are present in 1.8 mL of water?

NCERT BANGLISH-CHEMICAL CALCULATION -Problems of Practice
  1. Nitric acid, HNO3 is a colourless, corrosive liquid used in the manufa...

    Text Solution

    |

  2. Obtain the moles of substances in the following. a. 3.43 g of C b...

    Text Solution

    |

  3. How many molecules are there in 56 mg HCN ?

    Text Solution

    |

  4. Calculate the following Number of molecules in 43 g NH3

    Text Solution

    |

  5. Calculate the following Number of atoms in 32.0 g Br2

    Text Solution

    |

  6. Calculate the following Number of atoms in 7.46 g Li

    Text Solution

    |

  7. A substance on analysis, gave the following percentage composition, Na...

    Text Solution

    |

  8. What is the simplest formula of the compound which has the following p...

    Text Solution

    |

  9. A compound on analysis gave the following percentage composition: C - ...

    Text Solution

    |

  10. An organic compound was found to have contained carbon = 40.65%, hydro...

    Text Solution

    |

  11. A compound contains 32% carbon, 4% hydrogen and rest oxygen. Its vapou...

    Text Solution

    |

  12. An acid of molecular mass 104 contains 34.6% carbon, 3.85% hydrogen an...

    Text Solution

    |

  13. What is the simplest formula of the compound which has the following p...

    Text Solution

    |

  14. Calculate the oxidation number of underlined elements in the following...

    Text Solution

    |

  15. Calculate the oxidation number of underlined elements in the following...

    Text Solution

    |

  16. Calculate the oxidation number of underlined elements in the following...

    Text Solution

    |

  17. Calculate the oxidation number of underlined elements in the following...

    Text Solution

    |

  18. Calculate the oxidation number of underlined elements in the following...

    Text Solution

    |

  19. Balance the equations S^(2-) + NO3^(-) to NO + S

    Text Solution

    |

  20. Balance the equations FeS + O2 to Fe2O3 + SO2 ( molecular form )

    Text Solution

    |