Hydro Chloric Acid (HCL) Strength Calculation 

Take x gm of sample dissolve in 500 ml OR 100ml of water (A) Take 10 ml of diluted solution then titrate against 0.1 NaOH .Use Phenolphthalein as a indicator.

End point ……………. Colorless to Pink.

CALCULATION

% of  HCL =0.003647 X A X BR   X 100

Pipette out solution  X x gm

STANDARD  =  30 % + – 1