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Report: What Will The Ph Be Of Two Different Natural Bodies Of Water

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What will the pH be of two different natural bodies of water? Hypothesis: If the type of natural water body is changed then the pH of the water will differ due to the different amount of free hydrogen and hydroxyl ions in the water. Data Presentation: Analysis of results: When the two universal indicators, came into contact with the natural bodies of water, a colour change occurred. Both universal indicators were originally yellow in colour. When the universal indicator came into contact with the natural body of water, it changed to a reddish colour. When the universal indicator came into contact with the natural body if water, it changed to a blueish colour. When universal indicators change to a reddish colour when it comes into contact with …show more content…

The river that I went to was in Krugersdorp, an area known for its bad acid mine drainage. The river had no fish in it and there as very little fauna and flora in and around the river. It was also a small stream and looked quite clean. This could mean that it was near its source and could have had a little bit of acid rain, since rain is more acidic due to the water molecules coming into contact with Carbon dioxide as stated by Milton Kazmeyer (2018). These lower pH levels make it harmful to immature fish and insects. When universal indicators change to a blueish colour when it comes into contact with water, it means that the water was basic (has a pH greater than 7). This means that there were more Hydroxyl ions than hydrogen ions. This river is near my house but downstream from an informal settlement. The water looked quite dirty and polluted. This could also

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The different shades of blue also illustrates the depth of the water, as the blue gets darker it represents the bottom, and as it gets lighter the representation of being closer to the surface is presented. The overall composition of

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I hypothesized that the Conodoguinet Creek is polluted. Through my research I have found that the Conodoguinet Creek is not polluted. One reason it is not polluted is because most of the macroinvertebrates and crustaceans we found in the creek are pollution sensitive creatures. Another reason the creek is not polluted is the level of acidity and alkalinity is 7 which is a healthy number on the pH scale. If the acidity or alkalinity levels were high scientists would have to find a way to neutralize the acid and alkaline.

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A substance that is less than 7 is acidic and a substance more than 7 is alkaline. The ph level 7 is neutral because the concentration of H3O is the same as pure water. The importance of ph levels is important because it helps scientist determine the solubility; the amount able to dissolve in water. • Total dissolved solids (TDS): Total dissolved solids consist of inorganic salts (principally calcium, magnesium, potassium, sodium, bicarbonates, chlorides, and sulphates) and some small amounts of organic matter that are dissolved in water. http://www.water-research.net/index.php/water-treatment/tools/total-dissolved-solids • Adhesive and cohesive

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When the levels of hydrogen ions and hydroxide ions are equal, the water will have a pH of 7 which is neutral. If there are more hydroxide ions, the water will be basic and have a pH greater than 7. If there are more hydrogen ions than hydroxide ions, the water will be acidic and have a pH less than 7. The increase of CO2 being absorbed by the oceans results in an increase of hydrogen ions which will subsequently cause the oceans pH to decrease and become less basic. Currently, the oceans are still basic but there is the possibility that if CO2 levels in the oceans continue to rise, the oceans will become acidic.

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