Check your data. All three titration pairs should agree within 1 drop of one another. If they do not, repeat the titration. Clean all your glassware and wash any left over acid or base down the sink. Go to Top Safety Wear eye protection at all times.
Sodium hydroxide is corrosive to flesh and can cause blindness.
Wash up spills immediately using large amounts of water. Have an eye wash available. Go to Top TG Answers 1. Goggles are worn at all times. Aprons and old clothing are worn.