Indicators Flashcards
1
Q
Ph range and color of phenolphthalein:
A
colorless 8.3 10 pink
2
Q
Ph range and color of methyl orange:
A
Pink 3.1 4.4 yellow
3
Q
Ph range and color of methyl red
A
red 4.2 6.3 yellow
4
Q
Ph range and color of litmus
A
red 5.5 7.5 blue
5
Q
write the equations and pH jump when Na2CO3 is titrated with HCl.
A
Na2CO3 + HCl —->NaHCO3 + NaCl
10.5-8.5
NaHCO3 + HCl ——>H2CO3 + NaCl
6.5-3