Titration | Screen Experiment Level 2 Answers Quizlet

What indicator is used? A3: Phenolphthalein

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. titration screen experiment level 2 answers quizlet

What color change signals the endpoint? A4: Colorless to permanent pale pink What indicator is used

Calculate the mean titre from: 24.60, 24.60, 24.65 cm³ A6: 24.62 cm³ titration screen experiment level 2 answers quizlet

What is the volume of HCl pipetted each time? A2: 25.00 cm³

What is the concordant titre range? A5: Within 0.10 cm³

Moles of HCl in 25.00 cm³? A8: Same = 0.002462 mol