Equipment: A test tube, test tube rack, 1 mol L-1 Na2CO3 (sodium carbonate),, 1 mol L-1 HCI (hydrochloric acid), dropper or dropper bottle, Universal indicator solution.
Method: 1. Add approximately 1-2 mL of sodium carbonate and place the test tube into the test tube rack. Add 3-5 drops of Universal indicator solution
2. Using a dropper bottle, add hydrochloric acid drop by drop. be careful because adding even a small amount of extra acid can mean you'll miss the neutralisation point.
Observation: Changed to
No comments:
Post a Comment
Note: only a member of this blog may post a comment.