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Calculate the pH after the addition of 0.00, 5.00, 15.00, 25.00, 40.00, 45.00, 50.00, 51.00, and 60.00 mL of 0.1000 M HCl in the titration of 50.00 mL of 0.1000 M ammonia prepare a titration curve from the data (Ka= 5.70x10*10)
In which region of electromagnetic spectrum does the radiation having frequency of 7.5×10^14 hz lie?

Given the following sets of information, calculate the requested quantities for each problem.

  1. [H3O+] = 4.1 x 10-4 M. Find pH, and [OH-]
  2. [OH-] = 6.6 x 10-9 M. Find pOH, and [H3O+]
  3. pH = 9.0. Find [H3O+], [OH-] and pOH
  4. pOH = 12.5. Find [OH-], and [H3O+]
  5. pOH = 7.0. Find [H3O+], [OH-] and pH 
in an evacuated 2.0 liter container, 1.8 moles of N2 and 2.2 moles of H2 are placed. at equilibrium 0.6 M of NH3 are present. solve for Kc
in an evacuated 2.0 liter container, 1.8 moles of N2 and 2.2 moles of H2 are placed. at equilibrium 0.6 M of NH3 are present. solve for Kc
What is the % O in potassium permanganate, KMnO4?

Explain how do I calculate the fraction of species in the weak acid H3A?


Explain in terms of electronegativity,why the bonding in NaCl is different from the bonding in SiCl4.
Given the orbital configuration of arsenic (As), explain how arsenic can have the following oxidation states.
+3 (for example, in AsCl3)
+5 (for example, in AsCl5)
What volume (in milliliters) of a 0.635 M NaOH solution contains 8.35 g of NaOH?