Home
Class 11
CHEMISTRY
Determine the empirical formula of an ox...

Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% oxygen by mass.

Text Solution

Verified by Experts


`:.` The empirical formula is `Fe_(2)O_(3)` .
Promotional Banner

Topper's Solved these Questions

  • BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS

    FULL MARKS|Exercise Additional Questions Solved(5-Mark Questions)|29 Videos

  • BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS

    FULL MARKS|Exercise Additional Questions Solved(2-Mark Questions)|41 Videos

  • ALKALI AND ALKALINE EARTH METALS

    FULL MARKS|Exercise Additional Questions Solved|224 Videos

  • BASIC CONCEPTS OF ORGANIC REACTIONS

    FULL MARKS|Exercise Additional Questions Solved (5-Marks Question)|10 Videos

Similar Questions

Explore conceptually related problems

Determine the empirical formula of a compound containing K=24.75%, Mn =34.77% and rest is oxygen.

Calculate the empirical and molecular foruma of a compound containing 76.6% carbon, 6.38$+% hydrogen and rest oxygen its vapour density is 47.

An insecticide has the following percentage composition by mass. 47.5 % C, 2.54 % H and 50.0% Cl. Determine its empirical formula and molecular formulae. Molar mass of the substance is 354.5 g mol^(-1)

Magnetite is an oxide ore of iron with the formula .........

Calculate the empirical and molecular formula of the compound containing 80% Carbon, 20% Hydrogen. If the molecular mass of the compound is 30 then determine the molecular formula.

Calculate the empirical and molecular formula of a compound containing 76.6% carbon, 6.38 % hydrogen and rest oxygen its vapour density is 47

FULL MARKS-BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS -Additional Questions Solved(3-Mark Questions)
  1. Explain about the classification of matter

    Text Solution

    |

  2. Calculate the mass of the following atoms in amu (a) Helium (mass...

    Text Solution

    |

  3. Calculate the number of atoms present in 1 Kg of gold.

    Text Solution

    |

  4. Calculate the molar volume of 146 g of HC1 gas and the number of molec...

    Text Solution

    |

  5. Calculate the molar mass of 20 L of gas weighing 23.2 g at STP.

    Text Solution

    |

  6. 0.6 g of a metal gives on oxidation 1 g of its oxide. Calculate its eq...

    Text Solution

    |

  7. How would you calculate the equivalent mass of anhydrous oxalic acid a...

    Text Solution

    |

  8. A compound on decomposition in the laboratory produces 24.5 g of nitro...

    Text Solution

    |

  9. What is the steps involve in the calculation of molecular formula from...

    Text Solution

    |

  10. What is combination reaction ? Give example.

    Text Solution

    |

  11. What is decomposition reaction? Give two examples

    Text Solution

    |

  12. What is displacement reactions ? Give its types. Explain with example.

    Text Solution

    |

  13. What is disproportionation reactions? Give example.

    Text Solution

    |

  14. What are competive electron transfer reaction ? Give example.

    Text Solution

    |

  15. Balance the following equation using oxidation number method. S +...

    Text Solution

    |

  16. Determine the empirical formula of an oxide of iron which has 69.9% ir...

    Text Solution

    |

  17. In three moles of ethane (C(2)H(6)) calculate the following: (i) ...

    Text Solution

    |

  18. Chlorine is prepared in the laboratory by treating manganese dioxide (...

    Text Solution

    |

  19. The density of Water at room temperature is 1.0 g/ml. How many molecul...

    Text Solution

    |

  20. Balance the following equation by oxidation number method. MnO(4)...

    Text Solution

    |