To start with we can add up the elements to see which are unbalanced. Write equations for the two reactions that occur when these compounds react. Discussion: As shown in the graph and table above, each test had a very similar result to the other tests of the same concentration. Also I made absolutely sure that I was as accurate as I possibly could be. Here you can order a professional work. In high concentration acts as ... suggestionsWhile analyzing my experiment results I thought ... period of time, the genetics ... ... Hydrochloric Acid. NaOH + HCl --> NaCl + H2O. The easiest way to balance equations is by going through step by step and each time you make a change- check how it affects the rest of the equation. Caco,(8) + 2 HCl(aq) CaCl, (aq) + H2O(l) + CO2(8) How many grams of calcium chloride will be produced when 26 Finally, I am measuring the amount of hydrochloric acid very carefully and accurately. There are 3 Oxygen atoms on the left and 3 Oxygen atoms on the right so this is balanced. You get immediate fizzing with a colourless gas given off - … It is a common substance found in rocks in all parts of the world, and is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. I am trying to solve an exercise, where a block of 605.5g calcium carbonate should be completely dissolved in 30% hydrochloric acid (w/w) and the concentration of the acid should be 3% in the end. This also makes the 0.1 a minor outlier or anomalous data as it further out of the range and doesn’t exactly follow the trend or pattern like the others do. There is one Calcium atom on the left and one Calcium atom on the right so this is balanced. Then, 0.25 g of calcium carbonate was then added to the beaker, and the time taken for it … Therefore the calcium reacted with the water of the solution. Need some more Chemistry help? Any metal carbonate added to an acid will always produce carbon dioxide, so yes, the gas is carbon dioxide. As water forms, the number of free hydrogen ions in the stomach decreases, creating a less acidic environment. Conclusion: In conclusion, absolutely everything went to plan and not much at all could have been improved. Concentration of NaOH in mol dm-3? I predict that the higher temperature of HCl acid, the higher the reaction rate will be, this is because at a higher temperature there will more fast-moving hydrochloric acid molecules per set volume. -Independent: The molarity of the concentration of Hydrochloric Acid -Dependant: The amount of Carbon Dioxide (Co2) produced per 30 seconds Co2/30s -Controls: Temperature of Hydrochloric Acid, the timing, the amount of Calcium Carbonate chips, gas measurement. Accuracy: To make my experiment accurate I am repeating the experiment three times, I am measuring the gas carefully throughout the experiment and I am measuring the calcium carbonate carefully on highly responsive scales. The Acid Test on Rocks LIMESTONE, DOLOSTONE, AND MARBLE Some rocks contain carbonate minerals, and the acid test can be used to help identify them.Limestone is composed almost entirely of calcite and will produce a vigorous fizz with a drop of hydrochloric acid. The volume and concentration of the hydrochloric acid used are chosen so that the acid is virtually all used up (the CaCO3 is in excess). Both aqueous sodium carbonate and hydrochloric acid (HCl) are soluble inorganic compounds in water and form colorless solutions. Aside from the creation of this salt, the other atoms in the combination, carbon, hydrogen, and oxygen, will combine with each other, forming carbon dioxide and water. 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