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Stoichiometry Of Reaction Lab Report

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Analysis Questions:
1. In step #1, when water was mixed with CuSO4, the water turned a blue colour. Can you definitely confirm it is a physical or chemical property? Support your answer.

I am unable to confirm that the action stated in this question is a physical or a chemical property. However, I can confirm that I witnessed demonstrations of both properties. For the physical property, the demonstration which I observed was the copper sulphate being dissolved in the water thus creating a blue colour, this reminds me of the quantitative physical property, solubility. The definition of this property is the ability of a substance, (solute) to dissolve in a solvent (water). For the chemical property, the characteristic which I observed was a new substance being formed. This occurred when the water and copper sulphate were being mixed together. I can justify that a new substance was formed because the state of matter of the copper sulphate changed from a solid to a liquid, meanwhile the water simpler changed hues, (from transparent to colour of sulphate). …show more content…

For steps #2, 3 and 4, identify the type of chemical property that was observed.

For steps #2, 3 and 4, the chemical property which was observed through the experiment is reactivity with a mixture. It was a mixture being featured because while copper sulphate is a pure substance, when it was added to the water, the copper sulphate became a mixture. I can justify which the property observed was reactivity with a mixture because all the steps consisted of reacting materials residing from different states of matter into the solution. The various reactions ranged from higher temperatures, to gas bubbles, to even colour

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