Procedure 1. Draw a cross in the middle of the paper using a pen 2. Place the paper under the conical flask 3. Measure 5
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Procedure 1. Draw a cross in the middle of the paper using a pen 2. Place the paper under the conical flask 3. Measure 5
and procedure
Procedure 1. Draw a cross in the middle of the paper using a pen 2. Place the paper under the conical flask 3. Measure 50cm of sodium thiosulfate and pour it into the conical flask 4. Measure 10cm of the hydrochloric acid 5. Add the acid into the flask and start the stopwatch and the same time 6. Swirl the flask and place it on top of the paper that has the drawn cross 7. Repeat the experiment using 32,24,16, and 8 cm of sodium thiosulfate solution and in each case, add water to make the volume up to 50cm", also mix it before adding the acid 8. Record the results in the data table