Why ignore the rough titre? A10: It is not accurate enough (overshoot possible) Final Answer for Level 2 (to submit or memorize) The concentration of the unknown hydrochloric acid is 0.0985 mol/dm³.
What color change signals the endpoint? A4: Colorless to permanent pale pink titration screen experiment level 2 answers quizlet
Moles of NaOH in mean titre? A7: 0.002462 mol Why ignore the rough titre
What indicator is used? A3: Phenolphthalein titration screen experiment level 2 answers quizlet
Concentration of unknown HCl? A9: 0.0985 mol/dm³
Moles of HCl in 25.00 cm³? A8: Same = 0.002462 mol
What is the volume of HCl pipetted each time? A2: 25.00 cm³