You Discovered That The Burette You Used For Titration Delivered Less

TA:
Titration to Determine the Empirical Formula of Zinc Chloride
Mass Data for Zinc Chloride
Watch glass, g
26-82 9
Initial watch glass + zinc chloride, g
27.03 g
Final watch glass + zinc chloride, g
27.10 9
Mass difference on watch glass, g
0207 9
50-mL beaker, g
31. (7 9
50-ml beaker + zinc chloride, g
32- 17 g
Record your observations of the solid zinc chloride on the watch glass at the beginning and end of
the lab period. Ine solid zic chloride is clear at the
beginning , but blue at the end .
Volume Data for Zinc Chloride Solution and EDTA Solution
0. 02 25
M
Trial 1
Trial 2
Trial 3
Volume
Zn2+
EDTA
Zn 2+
EDTA
Zn2+
EDTA
Initial volume (mL)
0
0
320 / 0.5
21.9
2301
Final volume (mL)
22
21.9
25.0 23.1 /43 9 44.9
Total volume (mL)
220/ 219 /2230
|22 6 223 0 21.8Science