DRAFT: This module has unpublished changes.

Mass of unknown metal (g):

 

Trial 1

Trial 2

Trial 3

0.7144

0.1780

0.1946

 Pressure:

 

Initial Pressure (kPa)

101.071

101.071

101.071

Initial Pressure (Pa or N/m3)

101071

101071

101071

Final pressure (kPa)

172.743

174.969

175.929

Final pressure (Pa or N/m3)

172743

174969

175929

Pressure of H2 (Pa or N/m3)

71672

73598

74858

Temperature:

 

Mean temperature of water bath (K)

296.2

296.2

296.2

Volume:

 

Volume of flask (mL)

266

Volume of flask (m3)

0.000266

Volume H2 can occupy (mL)

246

Volume H2 can occupy (m3)

0.000246

Calculated Number of Moles of H2  

 

 

Calculated number of moles in H2 (mol)

0.00791

0.00813

0.00827

Atomic Weight: 

 

possibility

X

Y

AW (g/mol) Trial 1

AW(g/mol) Trial 2

AW(g/mol) Trial 3

Average

Oxidation Number of Me

1

2

1

10.746

21.4918

32.258

21.4086

+1

2

1

1

21.491

20.9102

20.556

20.9857

+2

3

2

3

32.258

31.365

30.853

31.492

+3

DRAFT: This module has unpublished changes.