Moles Flashcards
1
Q
atom economy equation
A
mr of mass of desired product divided by the molar mass of all reactants multiplied by 100
2
Q
when should phenolphthalein be used as indicator?
A
when NaOH is used to titrate something with (to find the concertation of something else)
3
Q
when should methyl yellow be used as an indicator?
A
when HCl is used to titrate something with
4
Q
how are acids and alkalis hazardous?
A
at high concertation they are corrosive
at low concertation they are irritants
5
Q
how do you decrease apparatus uncertainties?
A
increase the measurement being taken
use equipment with higher resolution
