Introduction
In the investigate I am going to investigate the reaction between sodium thiosulphate and different concentrations of hydrochloric acid and how long does this take. I deficiency to find out if the more concentrated the hydrochloric acid does this contrive the speed of reaction slower or faster? Or does it have no effect?
This is the equation of the reaction.
(Clear) (Clear) (Soluble) (Gas) (Yellow precipitate)
(Clear) (Clear) (Soluble) (Gas) (Yellow precipitate)
Sodium thiosulphate + hydrochloric acid ? sodium chloride+ sulphur dioxide + water + sulphur
This makes the resolvent go cloudy
This makes the solution go cloudy
Na?S?O? + 2HCl ? 2NaCl + SO? + H?O + S
Variables
There are different things that we had to maneuver during the taste to en positive(predicate) the results were reliable, we had to keep the temperature the same, although this was not 100% faithful because we did it at room temperature and we doubt that this would have changed within the 30 minute experiment time. The X that we were looking at during the experiment had to be the same X on the same physical composition of paper to eliminate any changes of the X, we also had to make sure the distance we kept between the piece of paper and the psyche who was looking the same, we did this by leaning our arms on the add-in and looking vertically down without bending our backs at all. We public opinion it was best to use the same person so the optical ability to see the X was the same each time. We utilize the same volume of sodium thiosulphate and hydrochloric acid which...If you want to last a full essay, order it on our website: Orderessay
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