What you do is get yourself a flatbar (smaller size and thin) and an old chisel (I say this because I respect sharp chisels too much to suggest their use for this type of job). Take a hammer and bust up the grout in a small section so that you can slip the flatbar under the tile and wack it with the hammer. Most of the tiles will pop off with just a wack or two. If a big chunk stays, knock it off with the chisel.
If you're talking about a tiled counter top, you don't need to worry about much precision and can just get the bulk of it off. Then dissassemble the structure of the counter top.
Short answer: One at a
Short answer: One at a time.
What you do is get yourself a flatbar (smaller size and thin) and an old chisel (I say this because I respect sharp chisels too much to suggest their use for this type of job). Take a hammer and bust up the grout in a small section so that you can slip the flatbar under the tile and wack it with the hammer. Most of the tiles will pop off with just a wack or two. If a big chunk stays, knock it off with the chisel.
If you're talking about a tiled counter top, you don't need to worry about much precision and can just get the bulk of it off. Then dissassemble the structure of the counter top.