1)
Why does it say "va'Hafitzosi? v'Zerisich"?
1.
Malbim: I will spread you among the Goyim, and from there winnow you to distant lands via many exiles.
2)
What is "va'Hasimosi [Tum'asech]"?
1.
Rashi: I will eradicate [your Tum'ah]. Radak ? this refers to idolatry, the great Tum'ah. They did not serve it in Galus.
2.
Malbim: There [in Galus] you will receive your punishment, and you will repent.
