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find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following.(a) 26.4 mL of 0.0346 M HNO2volume:
pH:
(b) 17.4 mL of 0.174 M H2CO3 (two equivalence points)first volume:
second volume:
first pH:
second pH:
I am given the 10 ml of .200M Fe(NO3)3 and .25 ml of .00200 KSCN and 14.75 ml of .500 M of HNO3. How do I figure out the initial concentration of FE3+ and SCN-.
Based on what you have learned about intermolecular forces, would you say that matter is fundamentally attracted or repulsed
You have available at your lab bench a 0.1 M solution of TRIS in its protonated form, 0.1 M solutions of HCL and NaOH, and ample distilled water. Describe the preparation of a 1 L solution of 0.2 M TRIS buffer, pH 7.8
what is the density of a block of marble that occupies 253 cm3 and has a mass of 752
Determine the activity of 50 mg of radium-226 (t1/2 =1600 years) in becquerels and in millicuries.
If all connections in the apparatus are not airtight and some hydrogen gas escapes during the reaction
A reaction rate has a constant of 1.28/mol*s at 433 degress C and 24.0/mol*s at 533 degrees C. Determine the activation energy for this reaction.
Calculate the work done in joules by the reaction when 0.21 g of Na reacts with water to form hydrogen gas at 1°C and 3.0 atm in an open container.
1.201 g of a solid white acid are dissolved in water and completely neutralized by the addition of 28.41 mL of 0.418 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
Show how you would accomplish the following synthetic transformations
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency \rm 1.0\times10^{15}Hz
The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+ By what factor (how many times) will the rate constant increase.
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