Home
Class 10
CHEMISTRY
A compound has the following percentage ...

A compound has the following percentage composition by mass: carbon 14.4%, hydrogen 1.2% and chlorine 84.5%. Determine the empirical formula of this compound. Work correct to 1 decimal place. (H = 1, C = 12, CI = 35.5)

Text Solution

Verified by Experts

Empirical formula = Simplest ratio of all atóms are given.
Molecular formula =`nxx` (Emprical formula)
Where `n=("Relative molecular mass")/("Empirical formulas mass")`
Promotional Banner

Topper's Solved these Questions

  • SELF ASSESSMENT PAPER 2

    ICSE|Exercise SECTION-II|45 Videos

  • SELF ASSESSMENT PAPER 1

    ICSE|Exercise SECTION-II|49 Videos

  • SELF ASSESSMENT PAPER 3

    ICSE|Exercise SECTION-II|40 Videos

Similar Questions

Explore conceptually related problems

The compound A has the following percentage composition by mass : carbon 26. 7%, oxygen 71.1 %, hydrogen 2.2%. Determine the empirical formula of A. (Work to one decimal place) (H = 1, C = 12, O = 16). If the relative molecular mass of A is 90, what is the molecular formula of A ?

A compound X consists of 4.8% carbon and 95.2% bromine by mass. Determine the empirical formula of this compound working correct to one decimal place (C = 12, Br = 80)

A compound has the following percentage composition by mass: Carbon - 54.55%, Hydrogen - 9.09% Its vapour density is 50. Find the Empirical formula. (H = 1; C = 12; O = 16).

A compound has the following percentage composition by mass : Carbon = 54.55%, Hydrogen = 9.09% and Oxygen = 36.26%. Its vapour density is 44. Find the Empirical and molecular formula of the compound. (H = 1, C = 12,0 = 16)

The percentage composition of a gas is : Nitrogen 82.35%, Hydrogen 17.64%. Find the empirical formula of the gas. [N = 14, H = 1]

The compound A has 26.7% C, 71.1% O and 2.2%H. determine the empirical formula of A

A compound contains C=90% and H=10% Empirical formula of the compound is:

A compound on analysis gave the following percentage composition by weight: hydrogen = 9.09, oxygen = 36.36 carbon = 54.55 Its VD is 44. Find the molecular formula of the compound.

If the elemental composition of butyric acid is found to be 54.4% C, 9.13% H, and 36.5% O, determine the empirical formula.

A substance used as a water softener has the following mass percentage composition : 42.07% Na, 18.9% P , and 39.04% of oxygen. Determine the empirical formula of the compound. (Na = 23, P = 31, 0 = 16)

ICSE-SELF ASSESSMENT PAPER 2 -SECTION-II
  1. In the laboratory preparation of hydrochloric acid, HCl gas is dissolv...

    Text Solution

    |

  2. In the laboratory preparation of hydrochloric acid, HCl gas is dissolv...

    Text Solution

    |

  3. A compound has the following percentage composition by mass: carbon 14...

    Text Solution

    |

  4. The relative molecular mass of this compound is 168, so what is its mo...

    Text Solution

    |

  5. An element Z has atomic number 16. Answer the following questions on ...

    Text Solution

    |

  6. An element Z has atomic number 16. Answer the following questions on ...

    Text Solution

    |

  7. An element Z has atomic number 16. Answer the following questions on ...

    Text Solution

    |

  8. An element Z has atomic number 16. Answer the following questions on Z...

    Text Solution

    |

  9. Three different electrolytic cells A, B and C are connected in separat...

    Text Solution

    |

  10. Here is an electrode reactin : Cu to Cu^(2+)+2e At which electro...

    Text Solution

    |

  11. A solution contains magnesium ions (Mg^(2+)) ,iron (II) ions (Fe^(2+))...

    Text Solution

    |

  12. Give reason why? The blue colour of the Copper sulphate solution per...

    Text Solution

    |

  13. Give reason why? It is dangerous to dilute the acid by adding water ...

    Text Solution

    |

  14. Give reasons why? Alkali metals are good reducing agent.

    Text Solution

    |

  15. Give reason why? Sugar solutions do not conduct electricity.

    Text Solution

    |

  16. Give reason why? Conc. H(2)SO(4) is not a drying agent for H(2)S?

    Text Solution

    |

  17. Give a balanced chemical equations for the action of sulphuric acid on...

    Text Solution

    |

  18. Give two industrial uses of sulphuric acid.

    Text Solution

    |

  19. What happens when conc. sulphuric acid is added to a lump of blue Vitr...

    Text Solution

    |

  20. Explain why only all glass apparatus should be used for the preparatio...

    Text Solution

    |