most sane bodybuilding programs, ie training for mass not so much strength, almost all center around 8-12 reps for 99% of exercises. Sometimes you might get to

most sane bodybuilding programs, ie training for mass not so much strength, almost all center around 8-12 reps for 99% of exercises. Sometimes you might get to a 4 or 6 rep set if you start approaching closer to max, but generally its about how much weight you can maintain for that many reps, aka time under tension.