Question #86050
An aqueous solution of perchloric acid is standardized by titration with a 0.193 M solution of calcium hydroxide.

If 20.6 mL of base are required to neutralize 27.0 mL of the acid, what is the molarity of the perchloric acid solution?

__________ M perchloric acid
1
Expert's answer
2019-03-18T16:22:54-0400

c(HClO4)=c(Ca(OH)2)∗V(Ca(OH)2)V(HClO4)=0.193M∗20.6mL27mL=0.147mol/Lc(HClO4)=\dfrac{c(Ca(OH)2)*V(Ca(OH)2)}{V(HClO4)}=\dfrac{0.193M*20.6mL}{27mL}=0.147 mol/L


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