We did a lab on Law of Conservation of Mass. The evidence we got from the chemical change is the color changed and it thickened. The last thing is that the gas produced. These were the observations we got when we were doing the lab. The matter can not be created or destroyed. This happens in a chemical reaction then changes its form. The substances can be two substances racted to two new substances produced called reactants. Produce Products
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Yeilds
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