At the equivalence point, you had equal number of moles of acid and base, and the acid was neutralized. You have already calculated this number of moles above. If you had added 5.0 mL less of the 0.10 mol/L NaOH, it would not have been enough base to completely neutralize the acid. a) Determine how many moles of acid would not have been neutralized. b) Determine the concentration of the excess acid that would remain in the flask. (Recall -- the phthalic acid was initially dissolved in 50. mL of water) Volume of 0.10 mol/L NaOH used (mL) (11.2 - 0.0) = 11.2 (22.8 - 11.2) = 11.6
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
At the equivalence point, you had equal number of moles of acid and base, and the acid was neutralized. You have already calculated this number of moles above.
If you had added 5.0 mL less of the 0.10 mol/L NaOH, it would not have been enough base to completely neutralize the acid.
a) Determine how many moles of acid would not have been neutralized.
b) Determine the concentration of the excess acid that would remain in the flask. (Recall -- the phthalic acid was initially dissolved in 50. mL of water)
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Volume of 0.10 mol/L NaOH used (mL) |
(11.2 - 0.0) = 11.2
|
(22.8 - 11.2) = 11.6
|
(34.2 - 22.8) = 11.4
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