Chem Rep

 Chem Representative Essay


You will discover three types of solutions we utilized in this lab, based on their electrical conductivity properties, we could classify all of them as good electrolyte, nonelectrolyte and poor electrolyte. Unadulterated Water, CH3OH and C2H6O2 are an example of non-electrolyte, they do not conduct electrical power to any significant extent. NH3, CH3COOH and Tap Water will be weak electrolyte, they give a not way too high but not too low conductivity, that they show an equilibrium state. KBr and HCI happen to be strong electrolyte, they give a high conductivity. I might expect if the concentration with the solution maximize, the conductivity will increase too, the same to get the impose of the remedy, when the charge(the number of ion) increases, the conductivity increases too. I would also expect the numbers of atom may have effect on conductivity of the option too. Pertaining to the computation part of this kind of lab, we will basically use Excel to rank conductivity of solutions and analyze the graph with the slopes, after which compare their slopes. We are able to use the tool in Stand out to determine the thready regressions and the R principles for the graphs.

Calculation and Debate:

1 . Conductivity from most affordable to highest(in microsiements/cm): Unadulterated water: 37

0. 05M CH3OH: 41

0. 05M C2H6O2: 41

0. 05M NH3: 328

0. 05M CH3COOH: 363

Tap Water: 697

0. 05M KBr: 6081

0. 05M HCI: 13009


Non-electrolyte: Distilled Water, CH3OH and C2H6O2

Weak electrolyte: NH3, CH3COOH and Tap Water

Good Electrolyte: KBr and HCI

Tap Water and Unadulterated Water

Plain tap water and Distilled Water will vary conductivity mainly because tap water contains ions such as sodium, copper, fluoride, and chloride ions, those can cause the conductivity of regular faucet water higher than the conductivity of distilled drinking water.


Synopsis of End result:

From the measurements of the thready regressions intended for the charts, we can tell the effect of concentration and charge around the measured conductivity. Effect of...