01 b we be trippin homie Flashcards
1
Q
what happens if the jet is not filled properly
A
If the jet space is not filled properly, you will obtain a larger than expected reading in your titration.
2
Q
why use conical flask
A
• Conical flasks are used in preference to beakers as it is easier to swirl.
3
Q
why only use little indictator
A
• Indicators are usually weak acids so we just use a few drops. Adding too much will affect the titration result.
4
Q
phenolphthalein
A
• Phenolphthalein [pink (alkali) to colourless (acid): end point pink colour just disappears] [use if NaOH is used]
5
Q
methly orange
A
• Methyl orange [yellow (alkali) to red (acid): end point orange] [use if HCl is used]