2 students are titrating and started the titration at 30.0 mL. The buret was at 49.50 mL and the solution still had not chnaged to the base color. They stopped, now at 49.80 mL and refilled the buret to 0.00 mL and continued to titrate. The solution then turned color at 14.55 mL. 1. Calculate the amount of solution used from the buret 2. Explain how this situation could be avoided