Uranium can be isolated from its ores by dissolving it as UO 2 ( NO 3 ) 2 , then separating it as solid UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O . Addition of 0.4031 g of sodium oxalate, Na 2 C 2 O 4 , to a solution containing 1.481 g of uranyl nitrate, UO 2 ( NO 3 ) 2 , yields 1.073 g of solid UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O . Na 2 C 2 O 4 + UO 2 ( NO 3 ) 2 + 3 H 2 O → UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O + 2 NaNO 3 Determine the limiting reactant and the percent yield of this reaction.
Uranium can be isolated from its ores by dissolving it as UO 2 ( NO 3 ) 2 , then separating it as solid UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O . Addition of 0.4031 g of sodium oxalate, Na 2 C 2 O 4 , to a solution containing 1.481 g of uranyl nitrate, UO 2 ( NO 3 ) 2 , yields 1.073 g of solid UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O . Na 2 C 2 O 4 + UO 2 ( NO 3 ) 2 + 3 H 2 O → UO 2 ( C 2 O 4 ) ⋅ 3 H 2 O + 2 NaNO 3 Determine the limiting reactant and the percent yield of this reaction.
Uranium can be isolated from its ores by dissolving it as
UO
2
(
NO
3
)
2
, then separating it as solid
UO
2
(
C
2
O
4
)
⋅
3
H
2
O
. Addition of 0.4031 g of sodium oxalate,
Na
2
C
2
O
4
, to a solution containing 1.481 g of uranyl nitrate,
UO
2
(
NO
3
)
2
, yields 1.073 g of solid
UO
2
(
C
2
O
4
)
⋅
3
H
2
O
.
Na
2
C
2
O
4
+
UO
2
(
NO
3
)
2
+
3
H
2
O
→
UO
2
(
C
2
O
4
)
⋅
3
H
2
O
+
2
NaNO
3
Determine the limiting reactant and the percent yield of this reaction.
Part II. two unbranched ketone have molecular formulla (C8H100). El-ms showed that
both of them
have a molecular ion peak at m/2 =128. However ketone
(A) has a fragment peak at m/2 = 99 and 72
while ketone (B) snowed a
fragment peak at m/2 = 113 and 58.
9) Propose the most plausible structures for both ketones
b) Explain how you arrived at your conclusion by drawing the
Structures of the distinguishing fragments for each ketone,
including their fragmentation mechanisms.
Part V. Draw the structure of compound tecla using the IR spectrum Cobtained from
the compound in KBr pellet) and the mass spectrum as shown below.
The mass spectrum of compound Tesla showed strong mt peak at 71.
TRANSMITTANCE
LOD
Relative Intensity
100
MS-NW-1539
40
20
80
T
44
55
10
15
20
25
30
35
40
45
50
55
60
65
70
75
m/z
D
4000
3000
2000
1500
1000
500
HAVENUMBERI-11
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