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Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties.
(c) PbI2, Ksp = 1.4x10^-8
A wildlife biologist is interested in testing the pH of the water in a lake. He obtains a 200. mL sample of the water and titrates this sample with a .050 M NaOH solution.
In the laboratory a student combines 25.5 mL of a 0.203 M sodium nitrate solution with 24.3 mL of a 0.375 M manganese(II) nitrate solution.
what is the volume of a sample of helium that has a mass of 6.36 times 10-3 g and a density of 0.17847 gl? answer in
suppose you have a calorimeter that contains 100.0 grams of water at an initial temperature of 25 c. a salt 2.19 g
A sample of helium gas has a volume of 241 mL at 0.83 atm. What pressure is needed to reduce the volume at constant temperature to 35 mL.
Which of the following terms define(s) an acid according to the Bronsted-Lowry theory?
It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath. To what temperature (oC) will the oil bath need to be heated to first open the safety valve?
NaOH solution is used to determine the amount of Mg(OH)2 in a sample of milk of magnesia, (molairty of NaOH is 1.172M). A 10.0 gram sample of milk of magnesia is required with 8.00 mL of 6.00 M HCl.
When 37.6 ml had been added the solution turned red .How many milligrams of I- were present in the original solution?
determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1
What systematic factors in the experience itself may lead to an answer that is not exactely correct.( Do not include student errors such as 'I forgot to set the balance to 0",etc.We assume the student is a perfect experimenter and errors result on..
What is indicator , auto indicator , end point , reducing point , titration , neutrilization reaction
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