A 300mL buffer is prepared in which [HCO3-] = 0.2M and
[CO3^2-]=0.075M.
a) What is the pH...
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Chemistry
A 300mL buffer is prepared in which [HCO3-] = 0.2M and[CO3^2-]=0.075M.
a) What is the pH of this buffer (Ka HCO3-=4.7x10^-11)?
b) What is the pH of the buffer if 0.0100 moles of HCl areadded?
c) What is the pH of the buffer if 0.0200 moles of NaOH areadded?
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a pH of buffer solution is calculated by using Hendersonsequation pH log Ka log Conjugate base acid pH log Ka logCO 3 2 HCO 3We have HCO 3 02 M CO 32 0075 M and Ka of HCO3 47 10 11Substituting these values in Hendersons
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