known letter ou are given a hydrochloric acid solution of un

known letter ou are given a hydrochloric acid solution of unknown concentration. Record the un Place 10 mL of the acid solution in an Erlenmeyer flask using a pipet. Add two drops of henolphthalein. Fill the buret with the 0.1000 M NaOH solution. Titrate the acid sample to the endpoint. 4. 5. Calculate the molarity of the HCI solution Unknown acid letter Volume of acid solution (mL) Buret reading of NaOH, initial (mL) Buret reading of NaOH, final (mL) Volume of NaOH dispensed (mL)- show calculation Moles of NaOH dispensed (mol)-show calculation Molar concentration of acid solution (mol/L)-show calculation Dml 100mL 4ImL Calculation Area

Solution

Volume of NaOH dispensed = 14.1 mL - 10.0 mL = 4.1 mL

Moles of NaOH dispensed (mol) = 0.1 M * 4.1 mL = 0.1 (mol/L) * 4.1 mL = 0.00041 mol

Molar concentration of acid solution calculation\"

Acid volume used = 10 mL

Concentration of acid = X

Volume of NaOH utilized = 4.1 mL

Concentration of NaOH = 0.1 mol/L

10 mL * X = 4.1 mL * 0.1 mol/L

X = 0.041 mol/L = 0.041 M

Molar concentration of acid solution = 0.041 M