Complete this table for four aqueous solutions at 25 C Complete this table for f

Question

Complete this table for four aqueous solutions at 25 C Complete this table for four aqueous solutions at 25 C erican-CHM 1046- Fall17-PANDO MOREJON> Activities and Due Dates> Hw 16 27/2017 08:00 AM 75.6/10011/15/2017 10:01 AM Grade Print Calculator -d Periodic Table on 28 of 3 Sapling Learning Complete this table of values for four aqueous solutions at 25 . on] OH pH POH Given: Solution A: 19.4× 10-8 | M Number Given: Number Solution B: 0.0040 Number Number Number Solution C: 2.30 Number Number Solution D: 4.35 Previous Give Up & View Solution O Check Answer 0 Next Exit int about us careers privacy policy terms of use contact us

Explanation / Answer

For solution A :

[OH-] = 1.0 x 10-14 / [H+]

[OH-] = 1.0 x 10-14 / (9.4 x 10-8]

[OH-] = 1.06 x 10-7 M

pH = -log [H+]

pH = -log (9.4 x 10-8)

pH = 7.03

pOH = 14 - pH

pOH = 6.97

For solution B:

[H+] = 1.0 x 10-14 / [OH-]

[H+] = 1.0 x 10-14 / (0.0040)

[H+] = 2.5 x 10-12 M

pH = -log [H+]

pH = -log (2.5 x 10-12)

pH = 11.6

pOH = 14 - pH

pOH = 2.4

For solution C :

pH = 2.30

pOH = 14 - pH

pOH = 14 - 2.30

pOH = 11.70

[H+] = 10-pH

[H+] = 10-2.30

[H+] = 0.0050 M

[OH-] = 1.0 x 10-14 / (0.0050)

[OH-] = 2.0 x 10-12 M

Solution D:
pOH= 4.35

pH = 14 - pH

pH = 14 - 4.35

pH = 9.65

[H+] = 10-pH

[H+] = 10-9.65

[H+] = 2.24 x 10-10 M

[OH-] = 1.0 x 10-14 / [H+]

[OH-] = 1.0 x 10-14 / (2.24 x 10-10)

[OH-] = 4.46 x 10-5 M

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