Apparent degree of dissociation of the nh4cl
Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86OC)
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A 25.00 mL sample of 0.100 M CH3CO2H is titrated with 0.100 M NaOH. What is the pH of the solution at the points where 24.0 and 24.5 mL of NaOH have been added. (Ka = 1.8 x 10-5).
A 35.00 mL sample of NaOH solution is titrated to an endpoint of 14.76 mL 0.4122 M HBr solution. What is the molarity pf the NaOH solution?
What is the pH at the equivalence point in the titration of 10.0 mL of 0.51 M HZ with 0.200 M NaOH? Ka = 5.1 × 10-6 for HZ
The man has mass 80kg and sits a distance 3m from the center of the rotating platform. Due to the rotation his speed is increased from rest by the rate 0.4m/s.
Sulfuric acid is a diprotic acid with the formula H2SO4. Phosphoric acid is a triprotic acid with the formula H3PO4. Which will have a lower pH as aqueous solutions? A 1 M solution of H2SO4 or a 1M solution of H3PO4? Explain with words and equatio
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N2 is .070 moles, O2 is 0.35 moles and CO2 is 0.20 moles, the total is pressure 1.55 atm what is the pressure of N2?
What volume of {rm{O}}_2 gas (in {rm L}), measured at 795 {rm mmHg} and 33^circ {rm C}, is required to completely react with 54.0 {rm g} of {rm Al}?
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