Chemistry, 04.03.2021 22:50 brebun4742
Measure 25cm³ of the ammonia provided and transfer it into a conical flask at 50cm³ of 0.1mol of sodium hydroxide to the ammonia in the conical flask add three drops of phenolphthalein filled the burette provided with 0.1mol of HCl solution and titrate it against the excess HCl in the conical flask. repeat the titration two or three times following the same procedure. calculate concentration of the ammonia in mol/dm³. Balance the equation for the reaction.
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Measure 25cm³ of the ammonia provided and transfer it into a conical flask at 50cm³ of 0.1mol of sod...
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