Question

The decomposition of hydrogen peroxide involves mixing ___ ml of ___ M H₂O₂ with ___ ml of ___ M KI, resulting in a new total volume of ___ ml. What is the missing information?
1) 10, 0.5, 20, 0.1, 30
2) 20, 0.1, 10, 0.5, 30
3) 30, 0.5, 20, 0.1, 10
4) 10, 0.1, 20, 0.5, 30