10.00 ml of 0.1089 M oxalic acid neutralises 18.65 ml of sodium hydroxide solution. What is the concentration of the sodium hydroxide ? Chemistry Solutions Measuring Concentration 1 Answer Michael Sep 26, 2016 #sf([NaOH]=0.1168color(white)(x)"mol/l")# Explanation: #sf(H_2C_2O_(4(aq))+2NaOH_((aq))rarrNa_2C_2O_(4(aq))+2H_2O_((l)))# #sf(n_(H_2C_2O_4)=cxxv=0.1089xx10.00/1000=0.001089)# #:.##sf(n_(NaOH)=0.001089xx2=0.002178)# #sf(c=n/v)# #:.##sf([NaOH]-=(0.002178)/(0.01865)=0.1168color(white)(x)"mol/l")# Answer link Related questions How do you measure concentration from absorbance? How do you measure concentration of a solution? How do you measure concentration of CO2? What concentration measure changes with temperature? How can I measure the concentration of salt in water? How is the concentration of a solution measured? How does the concentration of electrolyte affect an electrochemical cell? How does normality differ from molarity? What is the molality of a solution of 10 g NaOH in 500 g water? What are the mole fractions of the components of the solution formed when 92 g glycerol is mixed... See all questions in Measuring Concentration Impact of this question 1878 views around the world You can reuse this answer Creative Commons License