The pH and percent dissociation of 0 .010 M solution of Cr ( NO 3 ) 3 has to be calculated. Concept Introduction: pH is an logarithmic expression to express a solution is acidic, basic or neutral. The pH scale has values between 1 − 14 and on which 7 is neutral, below 7 values are more acidic in nature and above 7 values are more basic in nature. pH + pOH= 14 pH = -log [ H 3 O + ] [ H 3 O + ] = antilog(-pH) =10 -pH pOH = -log [ OH − ] [ OH − ] = antilog(-pOH) =10 -pOH Percent dissociation: It is defined as concentration of dissociated acid divided by the concentration of the acid times 100 % . Percent dissociation = [ HF ] dissociated [ HA ] initial × 100 %
The pH and percent dissociation of 0 .010 M solution of Cr ( NO 3 ) 3 has to be calculated. Concept Introduction: pH is an logarithmic expression to express a solution is acidic, basic or neutral. The pH scale has values between 1 − 14 and on which 7 is neutral, below 7 values are more acidic in nature and above 7 values are more basic in nature. pH + pOH= 14 pH = -log [ H 3 O + ] [ H 3 O + ] = antilog(-pH) =10 -pH pOH = -log [ OH − ] [ OH − ] = antilog(-pOH) =10 -pOH Percent dissociation: It is defined as concentration of dissociated acid divided by the concentration of the acid times 100 % . Percent dissociation = [ HF ] dissociated [ HA ] initial × 100 %
Solution Summary: The author explains that pH is an logarithmic expression to express a solution is acidic, basic or neutral.
The pH and percent dissociation of 0.010 M solution of Cr(NO3)3 has to be calculated.
Concept Introduction:
pH is an logarithmic expression to express a solution is acidic, basic or neutral. The pH scale has values between 1−14 and on which 7 is neutral, below 7 values are more acidic in nature and above 7 values are more basic in nature.
pH + pOH= 14
pH = -log[H3O+]
[H3O+]= antilog(-pH) =10-pH
pOH = -log[OH−]
[OH−]= antilog(-pOH) =10-pOH
Percent dissociation:
It is defined as concentration of dissociated acid divided by the concentration of the acid times 100%.
The pH and percent dissociation of 0.0050 M solution of Cr(NO3)3 has to be calculated.
Concept Introduction:
pH is an logarithmic expression to express a solution is acidic, basic or neutral. The pH scale has values between 1−14 and on which 7 is neutral, below 7 values are more acidic in nature and above 7 values are more basic in nature.
pH + pOH= 14
pH = -log[H3O+]
[H3O+]= antilog(-pH) =10-pH
pOH = -log[OH−]
[OH−]= antilog(-pOH) =10-pOH
Percent dissociation:
It is defined as concentration of dissociated acid divided by the concentration of the acid times 100%.
The pH and percent dissociation of 0.0010 M solution of Cr(NO3)3 has to be calculated.
Concept Introduction:
pH is an logarithmic expression to express a solution is acidic, basic or neutral. The pH scale lies values between 1−14 and on which 7 is neutral, below 7 values are more acidic in nature and above 7 values are more basic in nature.
pH + pOH= 14
pH = -log[H3O+]
[H3O+]= antilog(-pH) =10-pH
pOH = -log[OH−]
[OH−]= antilog(-pOH) =10-pOH
Percent dissociation:
It is defined as concentration of dissociated acid divided by the concentration of the acid times 100%.
Select the stronger base from each pair of compounds.
(a) H₂CNH₂ or EtzN
(b)
CI
or
NH2
NH2
(c)
.Q
or EtzN
(d)
or
(e)
N
or
(f)
H
or
H
4. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton
transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted
without ambiguity.
a.
2.
1. LDA
3. H3O+
HO
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