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11111nata11111 [884]
3 years ago
9

Use the law of constant composition to complete the following table summarizing the amounts of iron and chlorine produced upon t

he decomposition of the sample of iron(III) chloride. Mass FeCl3 Mass Fe Mass Cl Sample A3.785 g1.302 g2.483 g Sample B1.475 g _____ _____
Chemistry
2 answers:
gayaneshka [121]3 years ago
7 0
So your question ask to complete the table in your problem using the law of constant composition and the table summarize the amount of iron and chlorine produced upon the decomposition of the sample iron and the data that would complete the table is FeCi3(162.2), Fe(0.508), Cl(0,967)
lisabon 2012 [21]3 years ago
3 0

Answer : The mass of Fe and Cl in sample B is 3.341 g and 6.371 g respectively.

Explanation :

Law of definite proportion : It is defined as a given compound always contains exactly the same proportion of elements by weight.

The balanced chemical reaction will be,

2FeCl_3\rightarrow 2Fe+3Cl_2

First we have to calculate the ratio of mass of FeCl_3.

\text{Ratio}=\frac{\text{Mass of }FeCl_3 \text{in sample A}}{\text{Mass of }FeCl_3 \text{in sample B}}

\text{Ratio}=\frac{3.785g}{1.475g}=2.566

Now we have to calculate the mass of Fe and Cl in sample B.

\text{Mass of Cl in sample B}=2.566\times \text{Mass of Cl in sample A}

\text{Mass of Cl in sample B}=2.566\times 2.483g=6.371g

and,

\text{Mass of Fe  in sample B}=2.566\times \text{Mass of Fe in sample A}

\text{Mass of Fe in sample B}=2.566\times 1.302g=3.341g

Therefore, the mass of Fe and Cl in sample B is 3.341 g and 6.371 g respectively.

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