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Construct a reaction table for experiment #2, the addition of 20. mL each of HCl and NaOH and 10. mL of H2O. (All entries should be in millimoles.)
Data Table A. Stock solution concentrations of HCl, H3PO4 and NaOH
Data Table B. Temperature data for combinations of NaOH and HCl(aq)
HCl(aq) + NaOH(aq) NaCl(aq) + H2O initial ? ? 0 ---------- change () ? ? ? ---------- final ? ? ? ----------Explanation / Answer
Reaction table for experiment #2
Expt #
mL NaOH
mmol NaOH
ml H2O
mL HCl
mmol HCl
Initial T,
to the 0.01 °C
Final T,
to the 0.01 °C
T, °C
1
20.
30
20.
10.
15
25
29
4
2
20.
30
10.
20.
30
24.5
32
7.5
3
20.
30
0
30.
45
24.5
32
7.5
HCl(aq)
+ NaOH(aq)
NaCl(aq)
+ H2O
initial
30
30
0
----------
change ()
-30
-30
30
----------
final
0
0
30
----------
Expt #
mL NaOH
mmol NaOH
ml H2O
mL HCl
mmol HCl
Initial T,
to the 0.01 °C
Final T,
to the 0.01 °C
T, °C
1
20.
30
20.
10.
15
25
29
4
2
20.
30
10.
20.
30
24.5
32
7.5
3
20.
30
0
30.
45
24.5
32
7.5
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