Answer to Question #191231 in General Chemistry for chady

Question #191231

By titration it is found that 114.3 mL of 0.562 M NaOH is needed to titrate 48.0 mL of HCl. What is the concentration of the HCl in molarity? 


1
Expert's answer
2021-05-10T01:26:47-0400

: NaOH +HCl ⇒NaCl + H2O.

So the ratio between the reactants is 1:1.


The moles of NaOH needed to neutralize the acid = volume of NaOH solution × concentration of NaOH solution


Moles of NaoH


Therefore 0.0642 mole of HCl is presented in the acid solution.


The concentration of HCl solution = moles of HCl/volume of HCl solution



Concentration of HCL


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