Yes, it's a terrible thing to experience such a sudden loss. Your questions were never stupid in the first place. Just that some people are a bit hung strung around here rather than offer you a hand in a constructive manner.
Your situation is a tough one. It's going to take time, obviously, but time isn't a luxury with older parents. Those things are never easy. Is there a person who can act as a go between for your Mom to communicate with you?