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Problem- Solve an equilibrium problem (using an ICE table) to calculate the pH of of each solution-
A solution that is 0.20M in HCHO2 and 0.12M in NaCHO2
B. a solution that is 0.13M in NH3 and 0.20M in NH4Cl
Express your knowledge to solve the above question
A reaction mixture of 4.00 mL of 0.00200 M SCN and 5.00 mL of 0.00200 M Fe^3+ is diluted to 10.00 mL with 0.1 M HNO3 to form the blood-red FeNCS^2+ complex. The equilibrium molar concentration of the FeNCS^2+ determined from a calibration curve..
a 255- flask contains pure helium at a pressure of 753 . a second flask with a volume of 465 contains pure argon at a
a gold bar weighing 33.5g and having an initial temperature of 25.0 degrees celsius absorbs 5000 joules of heat. what
the equilibrium constant is 1.5x 10^-2 at 370 degrees C and delta H is 16.0 KJ at 25 degrees C. Assuming delta H and delta S are temperature independent, calculate delta S for the reaction
Question- Write the henderson-hasselbalch equation and show how it can be solved to find the ka of an acid when the concentrations of conjugate acid and base are equal.
A 20.00mL sample of H3Y was titrated with 0.1000 M NaOH. The first equivalence point was reached after the addition of 14.98mL of base. The second equivalence point was reached after the addition of 30.03mL.
Compute a wavelength of the yellow light emitted by a sodium lamp if the frequency of the radiation is 5.10*10^-14hz
total reaction solution volume of 100 ml and use 1M HCl acid and 1M sodium Hydoxide. how do you accont for their different delta t and q neutralization?
The resulting solution has an osmotic pressure of 0.544 atm at 25°C. Assuming that the organic compound is a nonelectrolyte, what is its molar mass?
what is the total ionic equation for a reaction between a solution of sodium hydroxide naoh and a solution of
Deionized water from the wash bottle is used to wash the side of the erlenmeyer flask. how does this affect the reported molar concentration of the Na2H2Y solution
When equilibrium is established, it is found that the partial pressure of ammonia has increase by 12.4%. Calculate K for the decomposition of NH4HS at 25 degrees C.
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