Home
Class 11
CHEMISTRY
20.0 g of magnesium carbonate sample dec...

20.0 g of magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g of magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample?

A

60

B

84

C

75

D

96

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    TARGET PUBLICATION|Exercise CRITICAL THINKING|39 Videos

  • S-BLOCK ELEMENTS

    TARGET PUBLICATION|Exercise QUESTION|156 Videos

  • STATES OF MATTER (GASES AND LIQUIDS)

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What be the percentage purity of magnsesium carbonate in the sample?

Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most stable thermally?

2.5 g of an impure sample of sodium bicarbonate when heated strongly gave 300 ml of carbon dioxide measured at 27^(@) C and 760 mm pressure. Calculate the percentage purity of the sample

The number of atoms in 0.004g of magnesium will be

TARGET PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-COMPETITIVE THINKING
  1. Percentage of Se in peroxidase anhydrase enzyme is 0.5% by weight (at....

    Text Solution

    |

  2. The empirical formula of an acid is CH(2)O(2), the probable molecular ...

    Text Solution

    |

  3. A compound (80 g) on analysis gave C=24 g, H=4 g, O=32 g. Its empirica...

    Text Solution

    |

  4. An organic compound contains carbon, hydrogen and oxygen. Its elementa...

    Text Solution

    |

  5. During electrolysis of water, the volume of oxygen liberate is 2.24 dm...

    Text Solution

    |

  6. Assuming fully decomposed, the volume of CO(2) released at STP on heat...

    Text Solution

    |

  7. what volume of hydrogen gas , at 273 K and 1 atm pressure will be con...

    Text Solution

    |

  8. What volume of oxygen gas (O(2)) measured at 0^(@)C and 1 atm is neede...

    Text Solution

    |

  9. In the reaction: 2Al((s))+6HCl((aq.))rarr2Al((aq.))^(3+)+6Cl((aq.))^...

    Text Solution

    |

  10. How many moles of magnesium phosphate, Mg(3)(PO(4)(2) will contain 0.2...

    Text Solution

    |

  11. 1 gram of carbonate (M(2)CO(3)) on treatment with excess HCl produces ...

    Text Solution

    |

  12. 10 g hydrogen is reacted with 64 g of oxygen. The amount of water form...

    Text Solution

    |

  13. 1.0 g of magnesium is burnt with 0.56 g O(2) in a closed vessel. Which...

    Text Solution

    |

  14. The ratio of masses of oxygen and nitrogen in a particular gaseous mix...

    Text Solution

    |

  15. The most abundant elements by mass in the body of a healthy human adul...

    Text Solution

    |

  16. 20.0 g of magnesium carbonate sample decomposes on heating to give car...

    Text Solution

    |

  17. Haemoglobin contains 0.33% of iron by weight. The molecular weight of ...

    Text Solution

    |

  18. If Avogadro number N(A) is changed form 6.022xx10^(23)"mol"^(-1) to 6....

    Text Solution

    |

  19. Suppose the elements X and Y combine to form two compounds of XY(2) an...

    Text Solution

    |

  20. Which symbol replaces the unit of atomic mass, amu ?

    Text Solution

    |