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Consider the titration of 41.2ml of 0.270M HF with 0.180M NaOH. Calculate the ph at each of the following points.
a.) how many milliliters of base are required to reach the equivalence point?
b.) calculate the pH after the addition of 10.3ml of base
c.) calculate the pH at halfway to the equivalence point
d.) calculate the pH at the equivalence point
e.) calculate the pH after the addition of 82.4ml of base
How many additional mL of 0.0750 M Ca(OH)2 or ).100 M HCl would be required to neutralize the solution?
A solution of 5.0 g/L of HY has the same pH as one containing 10.0 g/L of HZ. Which is the stronger acid. Please explain.
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
how many moles of nitroglycerin were in the container originally? b) how many moles of gas(air) were in the container originally? c) how many moles of gas are in the container after the explosion?
2 K + Cl2 ---> 2 KCl How many grams of KCl is produced from 2.50 g of K and excess Cl2. From 1.00 g of Cl2 and excess K?
what would be the payload if helium were used instead of hydrogen?, d.) would you and a companion on board, the balloon ascends to 30,000 feet where pressure is 0.28 atm. Assume no volume change, what is the temp (in celsius) at 30,000 feet?
a 10.00-mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization. what is the molarity of the sulfuric acid? sulfuric acid contains two acidic hydrogens.
calculate the amount of heat required to vaporize 8.48g of water at its boiling point
Determine what is the coordination of the cations in the case of a normal spinel and what point defects are possible in the spinel structure?
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
At 900 K the following reaction has Kp = 0.345. 2 SO2(g) + O2(g) 2 SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively.
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