What is the volume of HCl pipetted each time? A2: 25.00 cm³
What color change signals the endpoint? A4: Colorless to permanent pale pink
What indicator is used? A3: Phenolphthalein titration screen experiment level 2 answers quizlet
What is the concordant titre range? A5: Within 0.10 cm³
Concentration of unknown HCl? A9: 0.0985 mol/dm³ What is the volume of HCl pipetted each time
Here’s a for the Titration Screen Experiment (often from the Royal Society of Chemistry or similar interactive lab) – Level 2 – as if you were creating answers for a Quizlet set .
Moles of HCl in 25.00 cm³? A8: Same = 0.002462 mol 24.65 cm³ A6: 24.62 cm³
Calculate the mean titre from: 24.60, 24.60, 24.65 cm³ A6: 24.62 cm³