Difference between revisions of "Conservation of Mass"

Revision as of 09:01, 27 September 2018

Conservation of Mass is a law of the universe that states that mass cannot be created or destroyed, it can only be moved from one place to another.

In dissolving conservation of mass means that the mass of the solvent and the mass of the solute can be added to find the mass of the solution.


Mass_solvent + Mass_solute = Mass_solution

In a chemical reaction conservation of mass means that the same atoms with made up the reactants must make up the products. So the atoms are not created or destroyed in a chemical reaction, they are just rearranged.


Conservation of mass tells us that if there are 4 Hydrogen atoms and 2 Oxygen atoms at the start of this reaction then there will be the end of the reaction 4 Hydrogen atoms and 2 Oxygen atoms at the end of the reaction.


In this reaction you can see that mass is conserved because there are 4 Hydrogen atoms, 4 Oxygen atoms and 1 Carbon atom in the reactants and all the same atoms are found in the products.

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 |[[File:ConservationofMassDissolving.png|center|400px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |Mass<sub>solvent</sub> + Mass<sub>solute</sub> = Mass<sub>solution</sub>
+| style="height:20px; width:200px; text-align:center;" |'''Mass'''<sub>solvent</sub> + '''Mass'''<sub>solute</sub> = '''Mass'''<sub>solution</sub>
 |}