Friday, 7 April 2017

Hard water and soap

Hard water and soap

 


 PROCEDURE

 

Pour 5mL of distilled water into each of the empty test tubes ( 2 ).
Add 5g of epsom salts ( magnesium sulfate ) to one of the test tubes.
Stopper or cap and shake the test tube until the epsom salts dissolve.
Add a drop of liquid dish detergent to both test tubes.
Seal the test tubes with their caps or stoppers.
Shake both test tubes


Antoine LEVEQUE Maore MARTINEZ
 1STL - 2017

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