Home
Class 10
CHEMISTRY
Sodium chloride is composed of 39.4% sod...

Sodium chloride is composed of 39.4% sodium and 60.6% chlorine. Prove by calculations that its empirical formula is NaCl. (R.A.M. : Na = 23, CI = 35.5)

Text Solution

AI Generated Solution

To prove that the empirical formula of sodium chloride (NaCl) is indeed NaCl based on the given percentages of sodium and chlorine, we will follow these steps: ### Step-by-Step Solution: 1. **Assume a Sample Size**: Assume the molar mass of the compound (sodium chloride) is 100 grams. This simplifies calculations based on the percentage composition. 2. **Calculate the Mass of Each Element**: ...
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT AND STOICHIOMETRY

    ICSE|Exercise QUESTIONS FOR PRACTICE (Fill in the blanks)|10 Videos

  • MOLE CONCEPT AND STOICHIOMETRY

    ICSE|Exercise QUESTIONS FOR PRACTICE ON EXAMINATION PATTERN (SECTION I) |31 Videos

  • MOLE CONCEPT AND STOICHIOMETRY

    ICSE|Exercise NUMERICAL PROBLEMS |21 Videos

  • MODEL PAPER-2

    ICSE|Exercise SECTION-II|56 Videos

  • MOLE CONCEPT AND STOICHIOMETRY

    ICSE|Exercise ASSERTION AND REASON BASED QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

A compound is composed of 29.11% sodium, 40.51% sulphur and 30.38% oxygen. Find its empirical formula. (R.A.M. : Na = 23, S = 32, O = 16.)

A compound is composed of 43.4% Na, 11.32% C and rest of oxygen by mass. Derive a empirical formula of the compound. (R.A.M.: C = 12, O = 16, Na - 23)

A compound contains 10% C, 0.8% H and 89.2% Cl by mass. Determine its simplest formula. (R.A.M.: H = 1, C = 12, CI = 35.5)

A compound is composed of 74% C, 8.7% H and 17.3% N by mass. If the molecular mass of the compound is 162, what is its molecular formula? (R.A.M.: H = 1, C = 12, N = 14.)

A compound is composed of 2.2% hydrogen, 26.6% carbon and 71.2% oxygen. Calculate the empirical formula of the compound. If its molecular mass is 90, find its molecular formula.

A compound is composed of 2.7% of H, 48.3% of CI and 49% of C atoms by mass. Determine its empirical formula. If the vapour density of the compound is 73.5, what is its molecular formula? (R.A.M.: H = 1, C = 12, CI = 35.5.)

A substance on analysis, gave the following percentage composition : Na = 43.4 %, C = 11.3%, O = 45.3 %. Calculate the empirical formula. (Na = 23, C = 12, O = 16).

A substance on analysis, gave the following percentage composition : Na = 43.4 %, C = 11.3%, O = 45.3 %. Calculate the empirical formula. (Na = 23, C = 12, O = 16).

The percentage composition of sodium phosphate as determined by analysis is 42.1% sodium, 18.9% phosphorus and 39% oxygen. Find the empirical formula of the compound (work to two decimal places). (R.A.M: Na = 23, P = 31, O = 16.)

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)

ICSE-MOLE CONCEPT AND STOICHIOMETRY-QUESTIONS FOR PRACTICE
  1. Calculate the percentage of water of crystalization in CuSO4.5H2O (H...

    Text Solution

    |

  2. A compound contains 50% Ca, 15% C and 35% N atoms by mass. Determine t...

    Text Solution

    |

  3. Sodium chloride is composed of 39.4% sodium and 60.6% chlorine. Prove ...

    Text Solution

    |

  4. In a compound 8 g of sulphur combine with 8 g of oxygen. What is the e...

    Text Solution

    |

  5. A compound is composed of 43.4% Na, 11.32% C and rest of oxygen by mas...

    Text Solution

    |

  6. A compound contains 10% C, 0.8% H and 89.2% Cl by mass. Determine its ...

    Text Solution

    |

  7. A compound contains 25.52% C, 6.38% H and 68.1% S by mass. If the mole...

    Text Solution

    |

  8. Write the empirical formula of each one of the following: H(2O(2)

    Text Solution

    |

  9. Write the empirical formula of each one of the following: CO(2)

    Text Solution

    |

  10. Write the empirical formula of each one of the following: C(6) H(6)

    Text Solution

    |

  11. Write the empirical formula of each one of the following: C(6)H(12)...

    Text Solution

    |

  12. Write the empirical formula for each of the following: C(4)H(10)

    Text Solution

    |

  13. Write the empirical formula of each one of the following: C(6)H(12)

    Text Solution

    |

  14. Write the empirical formula of each one of the following: C(2)H(6)S...

    Text Solution

    |

  15. Write the empirical formula of each one of the following: C(6)H(8)N...

    Text Solution

    |

  16. The molecular formula of an organic acid is H(2)CO(2) What is its emp...

    Text Solution

    |

  17. A compound is composed of 2.2% hydrogen, 26.6% carbon and 71.2% oxygen...

    Text Solution

    |

  18. A compound is composed of 29.11% sodium, 40.51% sulphur and 30.38% oxy...

    Text Solution

    |

  19. A compound contains 87.5% nitrogen and 12.5% hydrogen by mass. Determi...

    Text Solution

    |

  20. An organic compound with vapour density 94 contains C = 12.67%, H = 2....

    Text Solution

    |