rate of reaction rp Flashcards
1
Q
what is step 1
A
use a measuring cylinder to put 10cm cubed of sodium thiosulfate solution into a conical flask and place the flask over a printed cross
2
Q
what is step 2
A
add 10cm cubed of hydrochloric acid to the conical flask and swirl the solution and start the timer
3
Q
what is step 3
A
look down on the flask and after time the solution should turn cloudy and stop timing when the cross is no longer visible.
4
Q
what is step 4
A
carry out experiment using lower concentrations of sodium thiosulfate
