Multiple choice general knowledge science & technology Concentration ratio of super acid 97%H2SO4+2%HCL+1%HNO3 90%H2SO4+8%HCL+21%HNO3 80%H2SO4+20%HCL 92%H2SO4+4%HCL+4%HNO3 Reveal answer Fill a bubble to check yourself A Correct answer