Question
In: Chemistry
What is the pH when 50 ml of 0.040 M NaOH is mixed with 50 ml...
What is the pH when 50 ml of 0.040 M NaOH is mixed with 50 ml of 0.040 M HN3 (Ka= 1.9*10^-5)
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
What is the pH of 75 mL 1.2 M NaOH mixed with 50 mL 0.90 M...
What is the pH of 75 mL 1.2 M NaOH mixed with 50 mL 0.90 M
HCl?
A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with
200.0 mL of 0.200 M CH3CO2H in a 1-L
volumetric flask and then diluted to volume with distilled
deionized water. Calculate the pH of the buffer. Ka =
1.75 × 10−5
What is the pH when 125 mL of 0.1 M NaOH is added to 175 mL...
What is the pH when 125 mL of 0.1 M NaOH is added to 175 mL of
0.2 M CH3COOH (acetic acid) if pKa for acetic acid = 4.76?
What is the pH when 125 mL of 0.1 M NaOH is added to 175 mL...
What is the pH when 125 mL of 0.1 M NaOH is added to 175 mL of
0.2 M CH3COOH (acetic acid) if pKa for acetic acid = 4.76?
Assume that you mixed 20.00 mL of 0.040 M KI with 20.00 mL of 0.060 M...
Assume that you mixed 20.00 mL of 0.040 M KI with 20.00 mL of
0.060 M (NH4)2S2O8 , 10.00 mL of 0.00070 M Na2S2O3 , and a few
drops of starch. The point of mixing sets time = 0.
The Initial Concentrations are:
[KI] = 0.016M
[(NH4)2S2O8] = 0.024M
[Na2S2O3] = 0.00014M
Oxidation-Reduction Reaction between iodide and peroxydisulfate:
2I- + S2O8^2- -> 2SO4^2- + I2
Iodine Clock Method reaction: 2S2O3^2- +I2 -> 2I^- +
S4O6^2-
Question: The basis of the...
What will be the pH change when 20.0 mL of 0.100 M NaOH is added to...
What will be the pH
change when 20.0 mL of 0.100 M NaOH is added to 80.0 mL of a buffer
solution consisting of 0.169 M NH3 and
0.188 M NH4Cl? (Assume that there is no
change in total volume when the two solutions mix.)
pKa = 9.25
A student conducts a titration of 50 mL of HCl with 1.00 M NaOH. The pH...
A student conducts a titration of 50 mL of HCl with 1.00 M NaOH.
The pH at the equivalence point is
Basic
Neutral
Acid
What is the pH change when 22.4 mL of .07 M NaOH is added to 63.6...
What is the pH change when 22.4 mL of .07 M NaOH is added to
63.6 mL of a buffer solution consisting of .124 M NH3 and 0.153 M
NH4Cl? (Ka for ammonium ion is 5.6x10^-10.)
What is the pH change when 22.4 mL of .07 M NaOH is added to 63.6...
What is the pH change when 22.4 mL of .07 M NaOH is added to
63.6 mL of a buffer solution consisting of .124 M NH3 and 0.153 M
NH4Cl? (Ka for ammonium ion is 5.6x10^-10.)
what is the pH of 25 mL of 0.15M H2C2O4 mixed with 25mL of 0.30M NaOH...
what is the pH of 25 mL of 0.15M H2C2O4 mixed with 25mL of 0.30M
NaOH
(Ka1= 5.9x10^-2, Ka2= 6.4x10^-5)
This is a Mixed question A 101.2 mL sample of 1.00 M NaOH is mixed with...
This is a Mixed question A 101.2 mL sample of 1.00 M NaOH is
mixed with 50.6 mL of 1.00 M H2SO4 in a large Styrofoam coffee cup;
the cup is fitted with a lid through which passes a calibrated
thermometer. The temperature of each solution before mixing is
22.25 °C. After adding the NaOH solution to the coffee cup and
stirring the mixed solutions with the thermometer, the maximum
temperature measured is 31.50 °C. Assume that the density of...
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