1. A student studied the clock reaction described in this experiment. She set up this reaction mixture: 6I-(aq)+BrO3-(aq)+6H+(aq)=(it means reaction)3I2(aq+Br-(aq)+3H2O, by mixing 20 mL 0.010 M KI, 10 mL .001M Na2S2O3, 10 mL 0.040M KBrO3,and 10 mL 0.10 M HCl. It took about 45 seconds for the color to turn blue.
a.She found the concentration of each reaction in the reacting mixture by realizing that the number of moles of each reactant did not change when that reactant was mixed with the others, but that its concentration did. For any reactant A, no,moles A=Ma stock*Vstock=Mamixture*Vmixture
The volume of the mixture was 50 mL. Revising the above equation, she obtained Mamixture=Ma stock *(V stock mL)/50 mL. find the concentration of each reactant by using the above equation:
(I-) ? BrO3- ? H+ ?
b. what was the relative rate of the reaction?(1000/t)
2006-08-31 04:39:54 · 5 answers · asked by saharkhoshab 1 in Science & Mathematics ➔ Chemistry
just follow the directions. if it takes x sec to react then x amount reacts in y seconds. if you're really confuse go see your teacher
2006-08-31 04:46:39 · answer #1 · answered by shiara_blade 6 · 0⤊ 5⤋
Easy! The regulator system is directly respondent to the archival pattern path, this is also influenced by what's known as the "ventricular storage crossover" which can re-assign some trail decedent factors. I hope this answers your question...pretty obvious really
2006-08-31 04:42:43 · answer #2 · answered by Opera 3 · 0⤊ 6⤋
I stopped reading after word "mixture" ... sorry i hate chemistry :)
2006-08-31 04:47:17 · answer #3 · answered by Maverick 5 · 0⤊ 5⤋
WOW
good luck man... seriously... good luck!
2006-08-31 04:42:09 · answer #4 · answered by Anonymous · 0⤊ 6⤋
don't mind ...thanks for the points
2006-08-31 05:28:20 · answer #5 · answered by mailtoak82 2 · 0⤊ 5⤋