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Some Basic Concepts of Chemistry

Empirical formula or Molecular formula

An aromatic compound contains 69.4% carbon and 5.8% hydrogen.

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Solving time: 4 mins

An aromatic compound contains $69.4%$ carbon and $5.8%$ hydrogen. A sample of $0.303 g$ of this compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in $50$ ml of $0.5 M H_{2} S O_{4}$ . The excess of the acid required $25$ ml of $0.1 M N a O H$ for neutralization. Determine the molecular formula of the compound if its mass is $121.$

Name: Video solution 1: An aromatic compound contains 69.4% carbon and 5.8% hydrogen. A sample of 0.303g of this compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in 50 ml of 0.5MH2SO4. The excess of the acid required 25 ml of 0.1MNaOH for neutralization. Determine the molecular formula of the compound if its mass is 121.
Uploaded: 2023-03-13T03:56:05.000Z
Duration: 8 min
Description: Video solution 1: An aromatic compound contains 69.4% carbon and 5.8% hydrogen. A sample of 0.303g of this compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in 50 ml of 0.5MH2SO4. The excess of the acid required 25 ml of 0.1MNaOH for neutralization. Determine the molecular formula of the compound if its mass is 121.

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Updated on: Mar 13, 2023

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An aromatic compound contains

69.4%

carbon and

5.8%

hydrogen. A sample of

0.303 g

of this compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in

50

ml of

0.5 M H_{2} S O_{4}

. The excess of the acid required

25

ml of

0.1 M N a O H

for neutralization. Determine the molecular formula of the compound if its mass is

121.

10 mins ago

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Question Text	An aromatic compound contains $69.4%$ carbon and $5.8%$ hydrogen. A sample of $0.303 g$ of this compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in $50$ ml of $0.5 M H_{2} S O_{4}$ . The excess of the acid required $25$ ml of $0.1 M N a O H$ for neutralization. Determine the molecular formula of the compound if its mass is $121.$
Updated On	Mar 13, 2023
Topic	Some Basic Concepts of Chemistry
Subject	Chemistry
Class	Class 11
Answer Type	Video solution: 1
Upvotes	80
Avg. Video Duration	8 min

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