Conclusion

5.1 Summary of Findings
Out of the three acids and two molarities we tested, we have found out that out of all the three acids of molarity 1 and molarity 2, sulphuric acid has the highest rate of corrosion, followed by hydrochloric acid and lastly, citric acid. The sulphuric had the highest rate of corrosion as it has the lowest pH value compared to the other 2 acids and the higher the molarity value, the faster the rate of corrosion too. To conclude, the pH value of an acid is inversely proportionate to the rate of corrosion of the iron plate.

5.2 Practical Application

We can use this experiment and apply it to real life as some ships use iron and when it sails, the iron will also be exposed to the seawater which contains many different acids, making the ship prone to rust. However we do realise that the pH levels of the acids found in the seawater are much higher than the ones that we used in our tests but our reason for using such low pH leveled acids is to simulate a accelerated rate of rusting, as we do not have years(rate of rust is calculated in years) to rust our materials so we have to accelerate the rate of rusting to be able to complete the project on time.

5.3 Areas for further study

We can learn what type of materials prevent the metal from corroding and apply this knowledge to real life. For example, in our current modern industry, we would use a lot of metals for constructing structures and these structures need to be able to withstand corrosion and we need to know how to prevent corrosion thus making our structures durable and also withstand the test of time.

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