Home
Class 10
CHEMISTRY
Calculae the no.of molecules in 2.8g Nit...

Calculae the no.of molecules in 2.8g Nitrogen.

Text Solution

Verified by Experts

Molecular mass of Nitrogen = 28
No. of molecules in 28g Nitrogen = `6.022 xx 10^23`
No. of molecules in 2.8g Nitrogen
`6.022 xx 10^23 xx (2.8/28) = (6.022 xx 10^23)/(10) `
Promotional Banner

Topper's Solved these Questions

  • COMPOUNDS OF NON -METALS

    V PUBLICATION|Exercise QUESTION BANK|62 Videos
  • NOMENCLATURE OF ORGANIC COMPOUNDS AND ISOMERISM

    V PUBLICATION|Exercise QUESTION BANK|58 Videos

Similar Questions

Explore conceptually related problems

Calculate the no. of molecules in 44.8L of oxygen at STP.

One gram mole of a substance contains 6.022xx10^23 molecules. Find out the number of molecules in 2.8 g of nitrogen.

a) Find the no.of moles of 112L NH_3 at STP (Hint: Atomic mass-N 14, H=1 b) Calculate the no. of molecules in it c) Calculate the mass of 112L, NH_3

Calculate the number of molecules in (i) 1 g of water and (ii) 5600 cm^3 of nitrogen at STP.

Calculate the number of molecules in each of the following: 1 g N_2

Calculate the number of molecules present in 11 g of CO_2 .

Calculate the number of molecules present in 1 g of water.

If 6.023xx10^23 molecules of N_2 react completely with H_2 according to the equation: N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g)) , then calculate the numbers of molecules of NH_3 formed.

The molecular mass of ammonia is 17. a) How much is the GMM of ammonia? b) Find out the number of moles of molecules present in 170g of ammonia. c) Calculae the number of ammonia molecules present in the above sample of ammonia?

Caluclate the number of moles of O2 present in 64g of oxygen molecule?

V PUBLICATION-GAS LAWS AND MOLE CONCEPT-QUESTION BANK
  1. a) Group the following into pairs having same number of atoms A) 2g ...

    Text Solution

    |

  2. Complete the table Hint: (MM CO₂=44, CH, = 16, SO, = 64) '(##VPUT...

    Text Solution

    |

  3. Complete the table. (Atomic mass N 14, H-1, S-32, O=16) '(##VPUTT...

    Text Solution

    |

  4. Complete the word diagram. '(##VPUTTTCHEXP01C02E06008Q01##)'

    Text Solution

    |

  5. 4 samples of substance are given. Hint: Molecidar mass, NH3 = 17, N2 ...

    Text Solution

    |

  6. Calculate the number of moles of 11.2L chlorine at STP. Find its mass.

    Text Solution

    |

  7. No. of molecules in 32g 02 is 6.022 xx 10^23 . This is number is know...

    Text Solution

    |

  8. Calculate the no. of moles in 220g CO2 Hint: Atomic mass (C=12,0=16)

    Text Solution

    |

  9. Atomic mass of nitrogen is 14 which of these sample contains 6.022 xx ...

    Text Solution

    |

  10. How many GAM is present in 32g oxygen.

    Text Solution

    |

  11. Find the relation and fill suitably 20g Helium: 5 mole 48g carbon...

    Text Solution

    |

  12. Calculae the no.of molecules in 2.8g Nitrogen.

    Text Solution

    |

  13. a) How many moles of Hydrogen and chlorine is present in 10 mole of Hy...

    Text Solution

    |

  14. Find in the no. of molecules in the following substances. a. 8g Hel...

    Text Solution

    |

  15. Which of the following statements are related to Boyle's law? a. Wh...

    Text Solution

    |

  16. 56g Nitrogen is taken (Atomic mass: N=14) a) Calculate the number ...

    Text Solution

    |

  17. Calculate the following. a) How many GAM is present in 115g sodium??...

    Text Solution

    |

  18. GAM of carbon is 12g a) How many atoms are present in 12g carbon? ...

    Text Solution

    |

  19. The volumes of some gases at STP is given below. Find the mass equival...

    Text Solution

    |

  20. a) Find the no.of moles of 112L NH3 at STP (Hint: Atomic mass-N 14,...

    Text Solution

    |