Home
Class 11
CHEMISTRY
2.0 g of a sample contains mixture of...

2.0 g of a sample contains mixture of `SiO_(2)` and `Fe_(2)O_(3)`. On very strong heating , it leaves a residue weighing `1.96 g`. The reaction responsible for loss of mass is given below .
`Fe_(2)O_(3)(s) to Fe_(3)O_(4)(s) + O_(2)(g)`, (unbalance equation) lt brgt What is the precentage by mass of `SiO_(2)` in original sample ?

Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|28 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|28 Videos

  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 3 - Match The Column|2 Videos

Similar Questions

Explore conceptually related problems

A mixture of Al_(2)O_(3) and Fe_(2)O_(3) can be separated by using

A mixture of Al_(2) O_(3) and Fe_(2) O_(3) can be separa-ted by using

Thermite is a mixture of Fe_(2)O_(3) and

A mixture of Al_(2)O_(2) and Fe_(2) can be separated by using

Na_(2)CO_(3) + Fe_(2)O_(3) rarr A + CO_(2) What is A tn the reaction?

Comment on C_((s))+O_(2(g)) to CO_(2(g))+Heat equation.

Thermite is a mixture of x parts of Fe_(2)O_(3) and y parts of aluminium powder, x, y respectively are

Balance the following equations. 4) Fe+O_(2)rarr Fe_(2)O_(3)

Calculate the oxidation number of iron in (a) FeO, (b) Fe_(2)O_(3) and (c) Fe_(3)O_(4) .

Calculate the oxidation number of iron in Fe_(3)O_(4) ?

NARENDRA AWASTHI-STOICHIOMETRY-Level 3 - Subjective Problems
  1. 2.0 g of a sample contains mixture of SiO(2) and Fe(2)O(3). On ver...

    Text Solution

    |

  2. What volume of a liquid (in L) will contain 10 mole ? If molar mass of...

    Text Solution

    |

  3. 16 g of SO(x) gas occupies 5.6 L at 1 atm and 273 K.What will be the v...

    Text Solution

    |

  4. 200 mL of 1M HCl, is mixed with 300 mL of 6 M and the final solution i...

    Text Solution

    |

  5. N(2)(g) reacts with H(2)(g) in either of the following ways depending ...

    Text Solution

    |

  6. One commercial system removes SO(2) emission from smoke at 95(@)C by t...

    Text Solution

    |

  7. W is the mass of iron (in g) which will be converted into Fe(3)O(4) by...

    Text Solution

    |

  8. Calculate the total moles of atoms of each element present in 122.5 g ...

    Text Solution

    |

  9. On dissolving 2.0 g of metal in sulphuric acid ,4.51 g of the metal su...

    Text Solution

    |

  10. One gram of a metallic chloride was found to contain 0.835 g of chlori...

    Text Solution

    |

  11. 0.7875 g of crystalline barium hydroxide is dissolved in water .For th...

    Text Solution

    |

  12. 2.0 g of polybasic organic acid (Molecular mass =600) required 100 mL ...

    Text Solution

    |

  13. A mixture contains 1.0 mole each of NaOH,Na(2)CO(3) and NaHCO(3). When...

    Text Solution

    |

  14. When BrO(3)^(-) ion reacts with Br^(-) ion in acidic medium, Br(2) is ...

    Text Solution

    |

  15. A volume of 12.5 mL of 0.05 M SeO(2) reacts with 25 mL of 0.1 M CrSO(4...

    Text Solution

    |

  16. A 0.276 g impure sample of copper ore is dissolved and Cu^(2+) is titr...

    Text Solution

    |

  17. A sample of 28 mL of H(2) O(2) (aq) solution required 10 mL of 0.1 M K...

    Text Solution

    |

  18. For the redox reaction given, what is the value of (x)/(z) ? xNO(3)^...

    Text Solution

    |

  19. On heating 0.220 g of a metallic oxide in presence of hydrogen,0.045 g...

    Text Solution

    |

  20. 10 g mixture of K(2)Cr(2)O(7) and KMnO(4) was treated with excess of K...

    Text Solution

    |

  21. In an ore, the only oxidizable material is Sn^(2+). This ore is titrat...

    Text Solution

    |