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Some Basic Concepts of Chemistry

Percentage composition

A silver coin weighing 11.34 g was dissolved in nitric acid. W

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A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as $A g N O_{3}$ ) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -

4.8 %

95.2 %

90 %

80 %

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Updated on: Jul 12, 2023

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Lucas Discussed

A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as

A g N O_{3}

) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -

7 mins ago

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Text solutionVerified

∴

143.5 gm of silver chloride would be precipitated by 108 g of silver.
or 14.35 g of silver chloride would be precipitated by 10.8 g of silver.
Hence 11.34 g ofsilver coin contain10.8 g of pure silver.

∴ 100 g m

of silver coin contains

\frac{10.8}{11.34} \times 100 = 95.2

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Question Text	A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as $A g N O_{3}$ ) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -
Updated On	Jul 12, 2023
Topic	Some Basic Concepts of Chemistry
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 3
Upvotes	335
Avg. Video Duration	5 min

A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as $A g N O_{3}$ ) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -

Text solutionVerified

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A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as AgNO3​) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -

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A silver coin weighing 11.34 g was dissolved in nitric acid. When sodium chloride was added to the solution all the silver (present as $A g N O_{3}$ ) was precipitated as silver chloride. The weight of the precipitated silver chloride was 14.35 g. Calculate the percentage of silver in the coin -