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who are babies made
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Samantha Feeney 9f Planning I am trying to find out if changing the concentration of Sodium Thiosulphate affects how fast the solution blots out a cross (X). This is a list of equipment I will be using: Sodium Thiosulphate Hydrochloric Acid Measuring Cylinder Beaker Stopwatch Ruler Flask This is the diagram that I will use: I will be measuring the: Time (Seconds) Volumes of Sodium Thiosulphate and water (cm3) Hydrochloric acid (10cm3) To make my investigation valid (fair) I will: Use the same volume of Hydrochloric Acid Wash out beakers after they have been used Use the stopwatch correctly Make sure I dont spill any Sodium Thiosulphate, Water or Hydrochloric acid.
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Paper Information
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Title: who are babies made
Words: 428
Rating: None
Pages: 1.7
submitted by: samunda
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