valoración de h3po4
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7/25/2019 Valoracin de H3PO4
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[NaOH] 0.05 [H3PO4]mmol 5
V(ml) [NaOH]mmol [H3PO4]mmol pH(Henderson)
10 0.5 4.5 1.1937574906
20 1 4 1.5459400087
30 1.5 3.5 1.7800232147
40 2 3 1.9719087409
50 2.5 2.5 2.148
60 3 2 2.3240912591
70 3.5 1.5 2.5159767853
80 4 1 2.7500599913
90 4.5 0.5 3.1022425094
95 4.75 0.25 3.426753601
99 4.95 0.05 4.1436351946
99.5 4.975 0.025 4.4468530764
1ra Po de !"#$l$%r$o
&1 7.110!'03 [H] 1.9232799!'005
2 6.320!'08 pH 4.7159575022
3 7.100!'13
3.310!'02 [H] despre*$ando *on*enra*$ones
+ 1.000!'14 pH
[H2PO4] 3.330!'02[H3PO4] 8.954!'05
[HPO4] 1.09!'04
[H2PO4],nal 3.31010!'02
2do %#-er H2PO4(mmol) 5
V(ml) NaOH(005) NaOH HPO4 H2PO4
100.5 0.05 5.025 0.025 4.975
105 0.05 5.25 0.25 4.75
110 0.05 5.5 0.5 4.5
120 0.05 6 1 4130 0.05 6.5 1.5 3.5
140 0.05 7 2 3
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150 0.05 7.5 2.5 2.5
160 0.05 8 3 2
170 0.05 8.5 3.5 1.5
180 0.05 9 4 1
190 0.05 9.5 4.5 0.5
195 0.05 9.75 4.75 0.25
199 0.05 9.95 4.95 0.05199.5 0.05 9.975 4.975 0.025
2do P#no de !"#$l$%r$o
&1 7.110!'03 [H] 2.7693283!'010
2 6.320!'08 pH 9.5576255585
3 7.100!'13
1.986!'02 [H] despre*$ando *on*enra*$ones
+ 1.000!'14 pH
[HPO4] 2.000!'02[H2PO4] 8.703!'05
[PO4] 5.13!'05
[HPO4],nal 1.98617!'02
[NaOH] 0.05 [HPO4]mmol 5
V(ml) [NaOH]mmol NaOH PO4 HPO4
205 10.25 5.25 0.25 4.75
210 10.5 5.5 0.5 4.5
220 11 6 1 4
230 11.5 6.5 1.5 3.5
240 12 7 2 3
250 12.5 7.5 2.5 2.5
260 13 8 3 2
270 13.5 8.5 3.5 1.5
280 14 9 4 1
290 14.5 9.5 4.5 0.5
295 14.75 9.75 4.75 0.25
299 14.95 9.95 4.95 0.05
Para #ando solo en/o PO4 !*eso de NaOHPO4mmol 5
NaOH 0.05
V(ml) NaOH mmolPO4 NaOHmmol pOH pH
300 15 10 '1 15
310 15.5 10.5 '1.0211892991 15.0211892991
320 16 11 '1.0413926852 15.0413926852
330 16.5 11.5 '1.0606978404 15.0606978404
340 17 12 '1.079181246 15.079181246
350 17.5 12.5 '1.096910013 15.096910013
360 18 13 '1.1139433523 15.1139433523370 18.5 13.5 '1.1303337685 15.1303337685
380 19 14 '1.1461280357 15.1461280357
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7/25/2019 Valoracin de H3PO4
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390 19.5 14.5 '1.1613680022 15.1613680022
400 20 15 '1.1760912591 15.1760912591
21000 1050 1045 '3.0191162904 17.0191162904
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7/25/2019 Valoracin de H3PO4
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V(ml) pH(Henderso
10 1.19375749
20 1.54594001
30 1.78002321
40 1.97190874
50 2.148
60 2.32409126
70 2.51597679
80 2.75005999
90 3.10224251
95 3.4267536
99 4.14363519
99.5 4.44685308
100.5 4.90014692
105 5.9202464
110 6.24475749
120 6.59694001
2.1197924426698!'005 130 6.83102321
4.6737066605 140 7.02290874
150 7.199160 7.37509126
170 7.56697679
180 7.80105999
190 8.15324251
195 8.4777536
pH 199 9.19463519
4.9001469236 199.5 9.49785308
5.920246399 205 10.8712464
6.2447574906 210 11.1957575
6.5969400087 220 11.547946.8310232147 230 11.7820232
7.0229087409 240 11.9739087
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7/25/2019 Valoracin de H3PO4
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7.199 250 12.15
7.3750912591 260 12.3260913
7.5669767853 270 12.5179768
7.8010599913 280 12.75206
8.1532425094 290 13.1042425
8.477753601 295 13.4287536
9.1946351946 299 14.14563529.4978530764 300 15
310 15.0211893
320 15.0413927
330 15.0606978
340 15.0791812
350 15.09691
360 15.1139434
2.11830120615554!'010 370 15.1303338
9.6740122865 380 15.146128
390 15.161368400 15.1760913
pH
10.871246399
11.1957574906
11.5479400087
11.7820232147
11.9739087409
12.15
12.3260912591
12.5179767853
12.7520599913
13.1042425094
13.428753601
14.1456351946
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7/25/2019 Valoracin de H3PO4
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7/25/2019 Valoracin de H3PO4
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n)
10
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16
ar $le
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7/25/2019 Valoracin de H3PO4
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2
4
6
8
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7/25/2019 Valoracin de H3PO4
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7/25/2019 Valoracin de H3PO4
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