A researcher placed 25.0 g of silver chloride, AgCl, in sunlight and allowed the substance to...

Question:

A researcher placed 25.0 g of silver chloride, {eq}AgCl {/eq}, in sunlight and allowed the substance to decompose completely to form silver, {eq}Ag {/eq}, with the release of chlorine gas, {eq}Cl_2 {/eq}. The gas was collected in a container during the decomposition. The researcher determined that the mass of the silver formed was 18.8 g, and the mass of the chlorine gas formed was 6.2 g. The equation for the reaction is as follows.

{eq}2AgCl \to 2Ag + Cl_2 {/eq}

State the law of definite proportions, and then use the researcher's data to confirm the law of definite proportions.

Law of Definite Proportions:

The elements of a specific compound exist in a constant ratio following the law of constant proportions. Another name for this law is Proust's law. The chemical compound's source does not impact the ratio of the specific element.

Answer and Explanation: 1

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The law of definite proportions states that the chemical compound's individual elements always exist in a fixed ratio by mass.


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The Law of Definite Proportions: Definition & Examples

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Chapter 6 / Lesson 12
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Learn who discovered the law of definite proportions. Understand the law of definite proportions definition and find law of definite proportions examples.


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