Investigate How Changing the Concentration of a Sodium Chloride Solution Affects the Rate of Electrolysis

Investigate How Changing the Concentration of a Sodium Chloride reservoir Affects the Rate of Electrolysis Aim: During my investigation I will be investigating how changing the concentration of sodium chloride (NaCl) will lapse to the rate of electrolysis. Electrolysis: Electrolysis is the process by which ionic substances ar pitiable down into simpler substances utilize electricity. During electrolysis, metals and gases may form at the electrodes. (http://www.bbc.co.uk/schools/gcsebitesize/ fellowship/add_aqa/ions/electrolysisrev1.shtml) There are always both electrodes during electrolysis; the anode, which has a verificatory charge, and the cathode, which has a disconfirming charge). Generally, the electrodes are made of carbon as it is the only non-metal that is a conductor. The positively supercharged ions are attracted to the nix cathode where they gain electrons to form atoms that have no overall charge. The chemical substance answer at the cathode is a r eduction reaction. The negatively charged ions are attracted to the positive anode where they lose electrons to form atoms that have no charge. The reaction at the anode is oxidation reaction. In the compound, sodium chloride, two gases should be formed; hydrogen and chlorine, they will then be released into the atmosphere. feeler work: To start the investigation I postulate to do some preliminary work.

I need to purpose what potential drop to traffic circle the power clique at. If the voltage is increased the identification number of electrons in the dress circle will increase, resulting in a higher(preno minal) current. To do this I tried and true! three different voltages and I will use the unrivalled that produces the biggest range of results. The voltages I will test are 6, 4.5 and 3. manner: 1. First set up the circuit as shown below. 2. Then, meter 50cm3 of NaCl solution using a measuring cylinder. 3. Turn on the power pack and set it to 6 volts. 4. Check the ammeter and record book the measurement. 5. This needs to be recurrent three times using the same quantity of solution...If you deprivation to get a broad(a) essay, order it on our website: BestEssayCheap.com

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