Saturday, 31 May 2014

Hydrogen sulfide is composed of two elements, hydrogen and sulfur. In an experiment, 5.485 g of hydrogen sulfide is fully decomposed into its...

To solve, apply conservation of mass. It states that in a chemical reaction, mass is neither destroyed nor created. So the mass of the reactants at the beginning is equal to the mass of the products at the end of the reaction.


mass of  reactants = mass of products


In this problem, the chemical reaction is:


Hydrogen sulfide `->` Hydrogen  + Sulfur


Applying conservation of mass, the equation is:


mass of hydrogen sulfide = mass of...

To solve, apply conservation of mass. It states that in a chemical reaction, mass is neither destroyed nor created. So the mass of the reactants at the beginning is equal to the mass of the products at the end of the reaction.


mass of  reactants = mass of products


In this problem, the chemical reaction is:


Hydrogen sulfide `->` Hydrogen  + Sulfur


Applying conservation of mass, the equation is:


mass of hydrogen sulfide = mass of hydrogen + mass of sulfur


5.485g = 0.307g + mass of sulfur


mass of sulfur = 5.485g - 0.307g


mass of sulfur = 5.178g



Therefore, at the end of the reaction, 5.178 grams of sulfur is obtained.

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