Home
Class 11
CHEMISTRY
The number of hydrogen atoms present in ...

The number of hydrogen atoms present in 25.6 g of sucrose `(C_12H_22O_11)` which has a molar mass of 342.3 g is

A

`22 xx 10^23`

B

`9.91 xx 10^23`

C

`11 xx 10^23`

D

`44 xx 10^23` H atoms

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    PATHFINDER|Exercise QUESTION BANK|77 Videos

  • MOLE AND STOICHIOMETRY-II

    PATHFINDER|Exercise QUESTION BANK|178 Videos

Similar Questions

Explore conceptually related problems

Find the number of hydrogen and oxygenn atoms present in 0.09 g of water.

Number of atoms of oxygen presenting in 10.6 g of Na_2CO_3 will be

Give the number of atoms (""^(12)C) in 12g of carbon.

Find out moelcular weight of sugar (C_12H_22O_11) .

A solution of .73 g of 'A' in 100 cc of water is found to be isotonic with a 3.42% (wt./vol.) solution of sucrose (C_12H_22O_11) . Calculate molecular weight of A. (C_12H_22O_11=342) .Assume no dissociation/association.

Determine the number of neutrons and their mass, present in 7 mg of ""_(6)^(14)C . Assume that the mass of 1 neutron=mass of 1 H-atom.

. 3.7 g of a gas at 25^@C occupied the same volume as 0.184 g of hydrogen at 17^@C and at the same pressure. What is the molar mass of the gas ?

Chlorophyll, the green colouring matter of plants contains 2.68% of magnesium by mass. Calculate the number of magnesium atoms in 3.00 g of chlorophyll. [Atomic mass of magnesium = 24.3 g//mol ]

The vapour pressure lowering caused by the addition of 100 g of sucrose (molecular mass = 342) to 1000 g of water, if the vapour pressure of pure water at 25^@C is 23.8 mm Hg, is

PATHFINDER-MOLE AND STOICHIOMETRY-I-QUESTION BANK
  1. How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mol...

    Text Solution

    |

  2. The total number of protons in 10 g of calcium carbonate is (N0 = 6.02...

    Text Solution

    |

  3. The number of hydrogen atoms present in 25.6 g of sucrose (C12H22O11) ...

    Text Solution

    |

  4. A compound used in making nylon contains 48.3% oxygen. There are four ...

    Text Solution

    |

  5. Given that the abundance of isotopes ,^54Fe, ^56Fe and " ^57Fe are ...

    Text Solution

    |

  6. An unknown element forms an oxide. What will be the equivalent weight ...

    Text Solution

    |

  7. 1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The...

    Text Solution

    |

  8. Equivalent weight of a bivalent metal is 37.2. The molecular weight of...

    Text Solution

    |

  9. A sample of H2SO4 (density 1.787 g mL^(-1)) is labelled as 86% by weig...

    Text Solution

    |

  10. A 3M solution of Na2S2O3 (Relative Formula Mass = 158) has density of ...

    Text Solution

    |

  11. What is the empirical formula of an oxide of vanadium, if 2,74 gm, of ...

    Text Solution

    |

  12. A gaseous compound is composed of 85.7% by mass of carbon and 14.3% by...

    Text Solution

    |

  13. 0.1 mole of a carbohydrate with empirical formula CH2O contain 1 g of ...

    Text Solution

    |

  14. One hydrated salt Na2CO3.xH2O undergoes 63% loss in mass on heating an...

    Text Solution

    |

  15. 2 gm of a sample contains mixture of SiO2 and FE2O3. The sample on ver...

    Text Solution

    |

  16. Calculated the weight of MnO2 required to produce 1.78 litre of Cl2 at...

    Text Solution

    |

  17. The volume of oxygen necessary for the complete combustion of 20 L of ...

    Text Solution

    |

  18. 2.76 g of silver carbonate on being strongly heated yield a residue we...

    Text Solution

    |

  19. A mixture of NH4NO3 and (NH4)2HPO4 contain 30.4 mass percentage of nit...

    Text Solution

    |

  20. 6.2 gm of a sample containing Na2CO3, NaHCO3 & non volatile impurity o...

    Text Solution

    |