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1. Write balanced net ionic equation for the first stage of dissociation of the triprotic acid H3PO4.
2. Write balanced net ionic equation for the second stage of dissociation of the triprotic acid H3PO4.
3. Write balanced net ionic equation for the third stage of dissociation of the triprotic acid H3PO4
4. The concentration of CH3NH3+ in a 0.20 M methylamine (CH3NH2) solution is 2.32 × 10-6 M. What is Kb for methylamine?
5. Calculate the concentrations of all species present in 0.29 M NH3 (Kb=1.8×10-5).
6. Calculate the pH of the hydrated cation in Fe(NO3)3 (Ka=6.3×10-3).
7. Calculate the percent dissociation of the hydrated cation in Fe(NO3)3 (Ka=6.3×10-3).
to a 1.00 l flask is added 0.010 moles of cu2 and 0.030 moles of nh3. the cu2 and nh3 combine to form several complex
Explain the essence of homeostasis. Why is it crucial for the bodily systems to maintain homeostasis?
What alkene product or products are produced by dehydration of the following alcohols? You must draw the structure of the reactant alcohol and the final product
Write a chemical equation that shows hydrogen fluoride dissolving in water and write a sentence to explain why the solution will conduct electricity.
when a .28 gram sample of limestone was decomposed by heating 75 millileters of CO2 at 750 mm Hg and 20 degrees celcius were evolved. How many grams of CO2 were produced?
What is the osmolarity of the following solutions. Express answer in two signint figures. 1. 0.35 M KBr 2. 0.15 M glucose +0.05 M K2SO4
Calculate the percent yield for a student who completed experiment 27A and collected the following data. Give your answer to two decimal places.
Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.311 in formic acid and 0.189 M insodium formate (NaHCO2). Ka of formic acid is 1.77*10^-4
calculate the ph of a 0.070 M sodium acetate CH3COONa and 0.020M acetic acid CH3COOH buffer The ka is 1.7x10^-5
150.g of NaCl completely dissolves (producing Na+ and Cl- ions) in 1.00k of water at 25.0C. The vapor pressure of pure water at this temperature is 23.9torr.
What hormone is produced to make your liver a net producer of glucose? How does this hormone regulate glycogen phosphorylase and glycogen synthetase
If the equilibrium constant for the reaction H2O + CO = CO2 + H2 is 2.5, the equilibrium conversion of CO is lower than 65%
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