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Consider the titration of 100.0 mL of 0.200 M acetic acid (Ka = 1.8 10-5) by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. Enter all answers to two decimal places.
(a) 0.0 mL
(b) 50.0 mL
(c) 100.0 mL
(d) 150.0 mL
(e) 200.0 mL
(f) 250.0 mL
the equivalence point occurs when 12.75 mL of 0.075M NaOH is added to a solution containing 10mL weak unknown acid and 40mL Deionized water
Calculate the concentration of H3PO4 if 25.00 mL of the acid is titrated with 38.77 mL of 1.723 M KOH to produce K3PO4 and water.
fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water?
express your answer in condensed form in order of increasing orbital energy as a string without blank space between
The solubility of oxygen gas in water at 25°C and 1.0 atm pressure is 0.041 g/L. What is the solubility of oxygen in water at 8.4 atm pressure?
what metal cations form sulfide precipitates in basic solution in qual scheme after the above cations have been removed. Qualitativley explain, why the pH of the sulifide solution effects which cations precipitate.
Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.451 at a given temperature. If 55.0 g of NH4HS is sealed inside a 5.00 L container at this temperature, calculate the partial pressure of NH3(g) at equilibr..
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
63.0 mL of a 1.20 M solution is diluted to a volume of 208 mL. A 104-mL portion of that solution is diluted using 157 mL of water. What is the final concentration.
A 145 g aluminum cylinder is removed from a liquid nitrogen bath, where it has been cooled to -196° C. The cylinder is immediately placed in an insulated cup containing 226 g of water at 15.0° C,
A 10.00 ml sample of 0.254 M H2SO4 is titrated with 0.385 M NaOH. What volume of the NaOH solution, in mL, is required?
If all connections in the apparatus are not airtight and some hydrogen gas escapes during the reaction
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