Question
In: Chemistry
Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2 with 0.155 M HBr. (The...
Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2 with 0.155 M HBr. (The value of Kb for CH3NH2 is 4.4×10−4.)
Determine the pH at 4.0 mL of added acid
Determine the pH at one-half of the equivalence point.
Determine the pH after adding 6.0 mL of acid beyond the equivalence point.
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2 with 0.155 M HBr....
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2
with 0.155 M HBr. Determine each of the following.
a) the pH at 5.0 mL of added acid
b) the pH at one-half of the equivalence point
c) the pH at the equivalence point
d) the pH after adding 5.0 mL of acid beyond the equivalence
point
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2 with 0.155 M HBr....
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2
with 0.155 M HBr. Determine each of the following.
1. the pH at 4.0 mL of added acid
2. the pH at one-half of the equivalence point
3. the pH at the equivalence point
4. the pH after adding 5.0 mL of acid beyond the equivalence
point
Consider the titration of a 28.0 −mL sample of 0.180 M CH3NH2 with 0.155 M HBr....
Consider the titration of a 28.0 −mL sample of 0.180 M CH3NH2
with 0.155 M HBr. Initial pH is 11.95.
Find:
a) the volume of added acid required to reach the equivalence
point
b) the pH at 6.0 mL of added acid
c) the pH at one-half of the equivalence point
d) the pH at the equivalence point
e) the pH after adding 5.0 mL of acid beyond the equivalence
point
Consider the titration of a 26.0 −mL sample of 0.175 M CH3NH2 with 0.155 M HBr....
Consider the titration of a 26.0 −mL sample of 0.175 M CH3NH2
with 0.155 M HBr. Determine each of the following.
1) the pH at one-half of the equivalence point
2) the pH at the equivalence point
3) the pH after adding 4.0 mL of acid beyond the equivalence
point
Consider the titration of a 26.0-mL sample of 0.175 M CH3NH2 with 0.155 M HBr. (The...
Consider the titration of a 26.0-mL sample of 0.175 M CH3NH2
with 0.155 M HBr. (The value of Kb for CH3NH2 is 4.4×10−4.)
A. Determine the initial pH.
B. Determine the pH at 6.0 mL of added acid.
C. Determine the pH at one-half of the equivalence point.
D. Determine the pH after adding 4.0 mL of acid beyond the
equivalence point.
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2 with 0.150 M HBr....
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2
with 0.150 M HBr. Determine each of the following.
A the initial
pH
B the volume of added acid required to reach the equivalence
point
C the
pH at 6.0 mL of added acid
D the
pH at one-half of the equivalence point
E the
pH at the equivalence point
F the
pH after adding 5.0 mL of acid beyond the equivalence point
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2 with 0.150 M HBr....
Consider the titration of a 26.0 −mL sample of 0.180 M CH3NH2
with 0.150 M HBr. Determine each of the following.
a) the pH at 4.0 mL of added acid
b) the pH at one-half of the equivalence point
c) the pH at the equivalence point
d) the pH after adding 6.0 mL of acid beyond the equivalence
point
Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2 with 0.145 M HBr. (The...
Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2
with 0.145 M HBr. (The value of Kb for CH3NH2 is
4.4×10−4.)
Already found:
volume of added acid required to reach the equivalence
point.=32.3 ml
pH at 6.0 mL of added acid=11.28
pH at one-half of the equivalence point.= 10.64
Part A
Determine the initial pH
Part B
Determine the pH at the equivalence point.
Part C
Determine the pH after adding 5.0 mL of acid beyond the
equivalence...
Consider the titration of a 28.0 −mLsample of 0.180 M CH3NH2 with 0.155 M HBr. Determine...
Consider the titration of a 28.0
−mLsample of 0.180 M CH3NH2 with 0.155 M HBr. Determine each of the
following.
the inital pH
the volume of added acid required to reach the equivalence
point
the pH at 6.0 mL of added acid
the pH at one-half the equivalence point
the pH at the eqivalence point
the pH after adding 6.0 mL of acid beyond the equivalence
point
Consider the titration of a 28.0 -ml sample of 0.175 M CH3NH2 with 0.155 M HBr....
Consider the titration of a 28.0 -ml sample of 0.175 M
CH3NH2 with 0.155 M HBr. Determine each of the following
-the pH at the equivalence point
please explain. thank you!
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