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Compute the pH for each of the following cases in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq).
(a) before addition of any KOH(b) after addition of 25.0 mL of KOH(c) after addition of 40.0 mL of KOH(d) after addition of 50.0 mL of KOH(e) after addition of 60.0 mL of KOH
For the 0.01 M NaOH and 0.001 M NaOH solutions in Part A, do your calculated values of [OH-] agree with those you would predict using the dilution equation. M1V1=M2V2, where M1= the calculated [OH-] of the 0.1 M NaOH stock solution.
A gaseous mixture of O2 and N2 contains 38.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 365mmHg
The most abundant isotope of uranium, ^238 U, does not undergo fission. In a breeder reactor, however, a ^238 U atom captures a neutron and emits two beta particles to make a fissionable isotope of plutonium, which can then be used as fuel in a nu..
1. what mass of naohsnbspmust be added to 300 ml of hcl 0.25 m in order to completely neutralize this acid?2. during a
Give a physical explanation of why the intrinsic viscosity and the specific viscosity divided by the concentration need
Fluorine-18, which has a half-life of 110 min, is used in PET scans. If 123 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.?
If a certain gas occupies a volume of 20 L when the applied pressure is 10 atm, find the pressure when the gas occupies a volume of 5.0 L.
backgroundan experiment was performed using hcl. we wrote down the molarity on the bottle and then used a ph meter to
2NO2 + Cl2 = 2NOCl The inital pressure of NO2 was 1.577 atm and the inital pressure of Cl2 was 0.427 atm. At equilibrium, the partial pressure of NOCl is 0.624 atm. Calculate K.
A sample that has the formula MgCl2.6H2O loses a portion of water when it is dried in an oven but undergoes no other changes. If the student started with 10.000 g of the compound, and ends with a residue that weighs 7.342 g whats the formula of th..
One of the reactions used in this lab actually occurs in two discrete steps, shown below. What is the overall net reaction that occurs
consider the titration of 100.0 ml of 0.100 m h2nnh2 kb 1.8 multiplied by 10-5 by 0.200 m hno3. calculate the ph of
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