Table 1
|
|
Trial 1 |
Trial 2 |
Trial 3 |
|
Mass of Unknown Metal (g) |
0.167 |
0.171 |
0.171 |
|
Pressure |
|
|
|
|
Initial pressure (Pa) |
100504 |
99088 |
99371 |
|
Final pressure (Pa) |
159619 |
169884 |
172263 |
|
Pressure of Hydrogen (Pa) |
59115 |
70796 |
72892 |
|
Temperature |
|
|
|
|
Mean temperature of the water bath (K) |
295.6 |
295.8 |
296.1 |
|
Volume |
|
|
|
|
Volume of flask (mL) |
261 |
-----> |
-----> |
|
Volume of flask (m^3) |
0.000261 |
-----> |
-----> |
|
Volume hydrogen can occupy (mL) |
241 |
-----> |
-----> |
|
Volume hydrogen can occupy (m^3) |
0.000241 |
-----> |
-----> |
|
Calculated Number of Moles of Hydrogen |
|
|
|
|
Calculated number of moles of hydrogen (mol) |
0.005796 |
0.006937 |
0.007135 |
Table 2
|
Possibility |
x |
y |
Trial 1(FW) |
Trial 2 (FW) |
Trial 3 (FW) |
Average (FW) |
Oxidation number of Me |
|
1 |
2 |
1 |
14.40g/mol |
12.39g/mol |
12.04g/mol |
12.94g/mol |
+1 |
|
2 |
1 |
1 |
28.79g/mol |
24.78g/mol |
24.08g/mol |
25.88g/mol |
+2 |
|
3 |
2 |
3 |
43.19g/mol |
37.17g/mol |
36.13g/mol |
38.83g/mol |
+3 |
Graph 1
Graph 2
