A buffer was created using ascorbic acid and sodium ascorbate. What is the pH of the buffered solution if at equilibrium [H2C6H6O6] = 5.5 X 10-5 M, [HC6H6061] = 3.5 X 10-4 M, and Ka = 8.00 × 10-5 ? everything is based upon the acid dissolving in water: H2C6H6O6 + H2O <-> HCGH6061 + H3O*1 Ka = [ solve for [H30+1] then put in the numbers Ka [ [H3O*'] = [H3O*1] = pH = - log a. H30+1 b. ОН-1 c. H2C6H6O6 d. HCGH,061 е. HSO31 f. SO32 g. H2SO3 h. HC2H3O2 i. C2H3O21 j. H2S k. HS-1 I. S2 m. HX n. X-1 р. 2 О. 1 q. 3 r. 0.5000 s. 5.5 X 10-5 t. 3.5 X 10-4 u. 8.00 x 10-5 v. 1.75 x 10-6 w. 1.11 x 10-8 x. 5.5 x 10-2 у. О.7000 z. 1.60 x 10-5 aa. 1.143 x 10-5 bb. 0.4900 сс. 1.104 х 10-5 dd. 0.7100 ee. 1.26 x 10-5 ff. 4.901 gg. 7.93 hh. 4.942 ii. 4.957

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A buffer was created using ascorbic acid and sodium ascorbate. What is the pH of the buffered solution if at equilibrium
[H2C6H6O6] = 5.5 X 10-5 M, [HC6H5061] = 3.5 X 10-4 M, and Ką = 8.00 x 10-5 ?
everything is based upon the acid dissolving in water:
H2C6H6O6
+ H20
<-> HC6H601 + H3O*1
Ka
solve for [H30+1] then put in the numbers
Ka [
[H3O+' :
%3D
[
[H3O*'] =
%3D
pH = - log
a. H30*1
b. OH-1
c. H2C6H6O6
d. HC6H6061
е. HSO31
f. SO3?
g. H2SO3
h. HC2H3O2
i. C2H3O21
j. H2S
k. HS-1
I. S2
m. HX
n. X-1
О. 1
р. 2
q. 3
r. 0.5000
s. 5.5 X 10-5
t. 3.5 X 10-4
u. 8.00 x 10-5
v. 1.75 x 10-6
w. 1.11 x 10-8
х. 5.5 х 10-2
у. О.7000
z. 1.60 x 10-5
aа. 1.143 х 10-5
bb. 0.4900
сс. 1.104 х 10-5
dd. 0.7100
ее. 1.26 х 10-5 ff. 4.901
gg. 7.93
hh. 4.942
ii. 4.957
Transcribed Image Text:A buffer was created using ascorbic acid and sodium ascorbate. What is the pH of the buffered solution if at equilibrium [H2C6H6O6] = 5.5 X 10-5 M, [HC6H5061] = 3.5 X 10-4 M, and Ką = 8.00 x 10-5 ? everything is based upon the acid dissolving in water: H2C6H6O6 + H20 <-> HC6H601 + H3O*1 Ka solve for [H30+1] then put in the numbers Ka [ [H3O+' : %3D [ [H3O*'] = %3D pH = - log a. H30*1 b. OH-1 c. H2C6H6O6 d. HC6H6061 е. HSO31 f. SO3? g. H2SO3 h. HC2H3O2 i. C2H3O21 j. H2S k. HS-1 I. S2 m. HX n. X-1 О. 1 р. 2 q. 3 r. 0.5000 s. 5.5 X 10-5 t. 3.5 X 10-4 u. 8.00 x 10-5 v. 1.75 x 10-6 w. 1.11 x 10-8 х. 5.5 х 10-2 у. О.7000 z. 1.60 x 10-5 aа. 1.143 х 10-5 bb. 0.4900 сс. 1.104 х 10-5 dd. 0.7100 ее. 1.26 х 10-5 ff. 4.901 gg. 7.93 hh. 4.942 ii. 4.957
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