Volumetrics data 3rd period 11/4/13

object

3*

400ml  pb/250ml gb/100ml gc

grp 1

grp 2

grp 3

grp 4

grp 5

grp 6

grp 7

grp 8

grp 10

calculated averages

ML

ML

ML

ML

ML

ML

ML

ML

Pl. B/G .B./ G.C

1*

256 cm3

#1

240/250/231

260/250/257

260/250/252

2*

139 cm3

#2

140/125/138

140/150/139

140/150/140

120/125/120

140/150/140/

140/150/135

140/150/141

3*

160 cm3

#3

140/125/135

160/150/170

160/175/163

180/150/162

200/200/208

140150/143

180/150/161

160/150/162

4*

161 cm3

#4

140/150/140

140/150/134

5*

441 cm3

#5

6*

266 cm3

#6

280/275/260

280/275/268

280/300/270

240/250/245

260/250/260

7*

555 cm3

#7

560/550/549

560/550/547

540/550/549

8*

299  cm3

#8

300/300/300

300/300/294

00/300/286

9*

214 cm3

#9

220/200/211

220/200/202

200/200/208

200/200/210

320/300/311

relative error = accepted value - measured average

*data from 5th *

for 400 ml plastic beaker

for 250 mL glass beaker

for 100 mL G.C.

Ex #5: 441 - 453 = -12

Ex #5: 441 mL - 450 ml = -9

Ex #5: 441 mL - 449 ml = -8

% Error+  absolute value of    [ (Accepted volume - Experimental vol.)/accepted volume] * 100%