75mL of a 0.111 mol L-1 solution of butanoic
acid(H3CCH2CH2C(=O)OH), and 38 mL
of a solution...
75mL of a 0.111 mol L-1 solution of butanoic
acid(H3CCH2CH2C(=O)OH), and 38 mL
of a solution of KOH of molarity 0.101 mol L-1 are mixed
in a 250 mL beaker. What would be the resulting solution's pH?
50.0 mL of 2.00 mol/L HNO3 solution and 50.0 mL of 1.00 mol/L
NaOH solution, both at 20.0 degree Celsius, were mixed in a
calorimeter. Calculate the molar heat of neutralization of HNO3 in
kJ/mol if:
(1) final temperature was 28.9 degree Celsius;
(2) the mass of the overall solution was 102.0 g;
(3) the heat capacity of the calorimeter was 25.0 J/C;
(4) and assume that the specific heat of solution is the same as
water, 4.184 J/(g C);
What is the pH of a 0.16 mol/L OH- solution?
1.What is the concentration of an aqueous solution of NaOH (a
strong base) which has a pH of 10.1?
2.What is the concentration of an aqueous solution of Ca(OH)2 (a
strong base) which has a pH of 12.05?
3.Lactic acid is a weak acid with one acidic proton. A 0.10 M
solution of this acid has a pH of 2.44. What is the Ka value of
this acid?
4.Hydroflouric acid,...
Consider the titration of 50.0 mL of a 0.0200 M solution of
butanoic acid with 0.100 M NaOH. First, calculate the equivalence
point (Ve). Then, calculate the pH at the following points along
the titration curve. Assume fractions are exact numbers and ignore
activities for all calculations in this problem.
A) VNaOH= 0.000 mL
B) VNaOH= 1/2Ve
C) VNaOH= 4/5Ve
D) VNaOH= Ve
E) VNaOH= 3/2Ve
Find the pH of a 30.0 ml butanoic acid ( HA) solution ( 0.600 M
) when you add
the following volume of 0.600 M NaOH ( 5 points ). Ka of HA =
1.5 x 10-5
(a) 0.0 ml
(b) 10.0 ml
(c) 15.0 ml
(d) 30.0 ml
(e) 50.0 ml
A 12.9 mL solution of 0.100 mol L-1 HOCl is titrated
using 0.150 mol L-1 NaOH.
What is the pH of the solution after 5.18 mL of the NaOH
solution is added? Express your answer to 2 decimal places.
You have 5 attempts at this question.
Remember you can find KA and/or KB values
in your textbook in chapter 15.
A 18.6 mL solution of 0.100 mol L-1 NaOH is titrated using 0.150
mol L-1 HCl. What is the pH of the solution after 15.3 mL of the
HCl solution is added?
In a 0.15M aqueous solution of butanoic acid C3H7CO2H , what is
the percentage of butanoic acid that is dissociated? You can find
some data that is useful for solving this problem in the ALEKS Data
resource.
Round your answer to 2 significant digits.
Help PLs
Calculate the pH of a solution starting with 200.0 mL of 0.010 M
butanoic acid (pKa = 4.818) solution that has been titrated to the
equivalence point with 0.050 M NaOH. Ignore activities and state
your answer with 3 sig. figs. Use approximations if you can.
A 360.0 ml buffer solution is 0.130 mol/L in HF and 0.130 mol/L in NaF.
Part A : what mass of NaOH could this buffer neutralize before the PH rises above 4.00?
Part B: If the same volume of the buffer was 0.370mol/L in NaF, what mass of NaOH could be handled before the pH rises above 4.0?
the Ka of HF is 3.5*10^-4 this is all the information given, I can look up more ka or...