2nd period volumetrics

2*

400ml  pb/250ml gb/100ml gc

grp 1

2

3

4

5

6

7

8

9

10

object

Accepted values

ML

ML

ML

ML

ML

ML

ML

ML

ML

ML

1

256 cm3

#1

260/250/256

240/260/249

260/275/267

260/250/260

2

139 cm3

#2

140/150/137

140/150/149

160/125/140

140/150/140

140/150/139

3

160 cm3

#3

160/150/153

160/150/160

160/150/161

180/150/160

160/150/166

180/150/161

4

161 cm3

#4

140/125/134

140/125/135

140/125/135

140/125/140

140/125/130

5

441 cm3

#5

440/450/445

440/450/440

440/450/455

6

266 cm3

#6

260/250/270

260/250/264

280/275/270

7

555 cm3

#7

560/550/560

580/550/563

580/550/549

8

299  cm3

#8

300/300/292

300/300/293

300/300/293

300/300/300

300/300/299

9

214 cm3

#9

220/200/210

220/200/210

220/200/220

220/200/210

220/200/219

220/200/210

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