Question Description

A 25 mL class A pipet and an Ohaus Explorer model EX124 analytical balance are used to obtain the following experimental data:

Trial 1 (g)

Trial 2 (g)

Trial 3 (g)

Trial 4 (g)

Trial 5 (g)

Mass Beaker

54.6003

54.5996

54.6003

54.5987

54.5995

Mass w solution

80.2180

80.1141

80.0187

80.6504

80.7774

Solution Number

Mass NaCl (g)

Volumetric Flask (mL)

page1image39048

Pipet (mL)

page1image40576

Mass Beaker

Mass Beaker w solution

1

1.0547

100

page1image46432

25

page1image47920

68.40121569

93.56275305

2

1.9865

100

page1image53248

25

page1image54736

68.40067581

93.7401003

3

3.0058

100

page1image61088

25

page1image62440

page1image63176

68.40119039

page1image64104

93.92849894

4

4.0987

100

25

68.40023532

94.13449573

5

4.9984

100

page1image73696

25

page1image75184

68.4013874

94.2988315

6

6.0245

100

page1image81816

25

68.40093462

94.50244286