Sorry to hear about the ulcers @ChristyT ..... I think you'd need something a bit better than salt water? Have you got any Sore Throat lozenges to suck on as well? The slightly medicated ones? As you swallow the dissolved bits - they will coat the ulcer & should bring relief.
I didn't have chemo, but I went to the "Discussion'' page & put 'ulcers in throat' and this thread popped up that may be able to help you?
https://onlinenetwork.bcna.org.au/discussion/4599/ulcers-in-throat-and-mouth@Sister - did you ever get throat ulcers during chemo - any tips?
Don't forget to drink HEAPS of water after each chemo session - it will help flush it out of your system quicker. Yes, my husband felt really tired at about day 3-4 after chemo then came good after a few more days.
Take care xxxx