Answer Happy

Question 1
Calculate the concentration of the anoin in a saturated solution
of the a salt with the molecular formula MX.
Solubility product constant = 1.1 x 10-10
1.05 x 10-5 M
21 x 10-10 M
1.21 x 10-5 M
1.21 x 10-10 M
Question 2
Argentometric titrations include:
1) direct titration by silver salts
2) direct titration using a silver indicator
3) back titration of silver salts
1 only
2 only
1 and 3.
2 and 3.
Question 3
In which method is Ferric ammonium sulphate used as an
indicator?
Mohr's Method
Fajan's Method
Volhard's Method
None of the above.
Question 4
The adsorption indicator in Fajan's method has to be:
of the same charge as titrant.
of the opposite charge as titrant.
has no charge.
none of the above.