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consider the following acids and their dissociation constants: a. HPO4^2-(aq) +H20(l)<> H3O+(aq) + PO4^3-(aq) Ka=2.2*10^-13 HCOOH (aq) + H2O(l)<> H3O+(aq) + HCOO-(aq) Ka= 1.8*10^-4 A. which is the weaker acid, HPO4^2- or HCOOH? B. what is the conjuate base of HPO4^2- C. Which acid has the weaker conjugate base? D. which acid has the stronger conjuate base? E. which acid produces more ions?
Important information about Solution Concentrations, Find the concentration of 500mg of alltrans retinol 0.1% per 1 ounce of solution.
predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation.
Henry's law predicts a simple relationship between solubility and pressure. If the solubility of oxygen gas
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
how many grams of malonic acid would be needed to make 50.0 milliliters 0.0500 l of 0.200 m malonic acid?the formula
Indicate whether the potassium acetate salt, CH3CO2K is (A) acidic, (B) basic, (N) neutral
at 700.degc the total pressure of the system is found to be 3.78 atm. if the equilibrium constant kp is 1.52 calculate
Two ideal gases are in a container but separated by an insulating barrier. The gases are both at a pressure of 2 atm but are at different temperatures and volumes.
A 20.0 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added.
a 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 js of heat. if it took 6.92 min from
Bradykinin is a nonapeptide that is responsible for the severe pain most people feel after being stung by a wasp. Amino acid analysis of bradykinin gave the following composition of amino acids:
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
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