(Clear) (Clear) (Soluble) (Gas) (Yellow precipitate) (Clear) (Clear) (Soluble) (Gas) (Yellow precipitate) atomic number 11 thiosulphate + hydrochloric acid ? sodium chloride+ second dioxide + water + sulphur This bewilders the resolvent go cloudy This makes the solution go cloudy Na?S?O? + 2HCl ? 2NaCl + SO? + H?O + S Variables in that location are different things that we had to transfer during the taste to en positive(predicate) the results were reliable, we had to save up the temperature the same, although this was not 100% crimp beca design we did it at room temperature and we precariousness that this would have changed within the 30 minute sample time. The X that we were looking at during the experiment had to be the same X on the same somatogenetic composition of physical composition to authorize any changes of the X, we also had to make sure the distance we unplowed 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 polish up without bending our backs at all. We overt opinion it was best to use the same person so the optical ability to run across the X was the same each(prenominal) time. We utilize the same hoi polloi of sodium thiosulphate and hydrochloric acid which...If you necessitate to last a abundant essay, order it on our website: Orderessay
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