F - Analysis of Vitamin C in Tablets and in Tang Flashcards
1
Q
what is ascorbic acid?
A
vitamin C
2
Q
vitamin C formula
A
C6H8O6
3
Q
why is vitamin C water soluble
A
hydrogen bonds between its
-OH and C=O groups
4
Q
stoichiometric point
A
when the amounts of the two reactants are in stoichiometric proportions
5
Q
stoichiometric proportion’s
A
The exact correct mole ratio so that none of the reactants to remain after the reaction is complete
6
Q
stoichiometric factor
A
same thing as stoichiometric proportions
7
Q
endpoint
A
when the indicator changes colour
8
Q
how do you calculate the moles of vitamin C
A
(moles of iodate added to reach the endpoint) X 3
