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At the equivalence point of the titration of formic acid by NaOH, the pH of the solution is around 8 - 10. What would be a good indicator for this titration? Why?
How many grams of DRY alum can be obtained from 20.0g of aluminum when the reactions proceeds with 60.0% yield? How many grams of WET alum can be obtained from 20.0g of aluminum when the reactions proceeds with 60.0% yield
Explain how do you compute the minimum volume of H2O(water) required to dissolve NaCl( sodium chloride) of 500 grams in H2O( water) at the temperature of 100 degree celsisu?
What is the average rotational energy assuming that only J=0 to 4 levels are populated in the vibrational ground state n=0?
What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
n Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 40.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe.
How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
Calculate the normality of a KMnO4 solution if 32.38 mL of a 0.1431 N Fe2+ solution is required to react with 15.92 mL
In the following experiment, the water in the glass is stirred by slowly lowering a weight (m=3kg) through a series of pulleys. If the 3kg weight is lowered 10m, the stirrer spins, but eventually all of the kinetic energy of the stirrer is turned ..
The protons that give rise to the signal at 7 ppm are more shielded than the protons that give rise to the signal at 9 ppm. B) The protons that give rise to the signal at 7 ppm are less shielded than the protons that give rise to the signal at 9 p..
How many grams of Na3PO4 will be needed to produce 400ml of a solution that has a concentration of Na+ ions of 0.900 ?
You need to produce a buffer solution that has a pH of 5.02. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? ..
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