that's what you call a "lost cause." ya fukked up. count your losses and try to look at the brightside: at least now when you do laundry, you'll religiously check your pockets for snacks before laundering them
depends on the packaging/state of the product. If it was sealed, you may be able to salvage some/all.
If it got some soap in it or something, ?? , maybe one of those purification processes would help , i have no idea