Home
Class 11
CHEMISTRY
Analysis of chlorophyll shows that it co...

Analysis of chlorophyll shows that it contains 2.68 % Mg . Number of magnesium atoms present in 2.4 g of chlorophyll is

A

`2.68 xx 6 xx 10^(21)`

B

`2 .68 xx 6 xx 10^(23)`

C

`2.68 xx 6 xx 10^(20)`

D

`2.68 xx 6 xx 10^(20) //24`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise STATES OF MATTER|42 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL EQUILIBRIUM|107 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise AROMATIC HYDROCABONS|22 Videos
  • REDOX REACTIONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE PRACTICE SHEET (ADVANCED) (More than One correct answer Type Questions)|35 Videos
  • SATURATED HYDROCARBONS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

The number of atoms present in 142g of Chlorine is

The number of oxygen atoms present in 50 g of calcium carbonate is

Number of dative bonds around Mg^(2+) ion in chlorophyll is

The total number of moles present in 111g of CaCl_2 is

Which of the following contains same number of carbon atoms as are in 6.0g of carbon (C-12)?

The number of atoms of hydrogen present in 1.5 mole of H_(2)O is

2.0 g of oxygen contain number of atoms same as in

The number of Oxygen atoms present around Nitrogen in N_(2)O_(5) is

AAKASH SERIES-REVISION EXERCISE -STOICHIOMETRY
  1. Total number of sulphate ions present in 3.92 g of chromic sulphate is...

    Text Solution

    |

  2. Two elements X and Y have atomic weight of 14 and 16 . They form a ser...

    Text Solution

    |

  3. Analysis of chlorophyll shows that it contains 2.68 % Mg . Number of m...

    Text Solution

    |

  4. The number of molecules in one litre of water is (density of water = 1...

    Text Solution

    |

  5. 48 g of Mg contains the same number of atoms as 160 g of another eleme...

    Text Solution

    |

  6. The number of water molecules in a drop of water weighing 5 mg is

    Text Solution

    |

  7. The mass of 1.5 xx 10^(20) molecules of a substance is 20 mg . The mol...

    Text Solution

    |

  8. If 0.5 mol of BaCl(2) is mixed with 0.2 mol of Na(3)PO(4) the maximum ...

    Text Solution

    |

  9. A copper plate of 20 cm x 10 cm is to be plated with silver of 1 mm th...

    Text Solution

    |

  10. Bell metal contains 80% copper . The mass of Bell metal which contain ...

    Text Solution

    |

  11. The ratio between the number of atoms in equal volumes of oxygen and o...

    Text Solution

    |

  12. If 0.740 g of O(3) reacts with 0.670 g of NO , how many gram of NO(2) ...

    Text Solution

    |

  13. 1 mole of each of Ca(OH)(2) and H(3) PO(4) are allowed to react under ...

    Text Solution

    |

  14. The mass of 1.5 xx 10^(26 molecules of a substances is 16 kg . The mol...

    Text Solution

    |

  15. One atom of mercury has a mass of 333 xx 10^(-24) g . Its atomic weigh...

    Text Solution

    |

  16. The element 'A' and 'B' combine together to give two compounds A(2) B(...

    Text Solution

    |

  17. 40 ml of a hydrocarbon undergoes combustion in 260 ml oxygen and gives...

    Text Solution

    |

  18. 0.2 mole of an alkane on complete combustion gave 26.4g of CO(2). The ...

    Text Solution

    |

  19. 0.4g of a compound on complete combustion gave 56ml of CO(2) at 760mm ...

    Text Solution

    |

  20. 10ml of an alkane on complete combustion gave 40ml of CO(2) under the ...

    Text Solution

    |