A student conducted a clock reaction using a set of data below. The reaction was carried out at room.....?

A student conducted a clock reaction using a set of data below. The reaction was carried out at room temperature 25. 8mL of .010 M KI, 10mL of 0.0010M Na2S2O3, 12 mL of H2O, 5mL of 0.040 M KBrO3, and 15 mL of 0.10M HCl and 5 drops of starch solution. It took about 100 seconds for the original color to turn blue.