10 may 2018
Making Salt
AIM- to produce sodium chloride salt by caring out neutralization reaction. EQUIPMENT- 50 mL beakers,dilute HCI (hydrchloric acid),dilute NaOH (sodim hydrxiode),25 mL measuring cylinder,a glass stirring rod,spotting tile,universal indicator solution,tripod,gauze mat,Bunsen burner,evaporating basin.
METHOD-
1. using the mesuring cylinder measure 10 mL of HCI and pour it into your 50 mL beaker
2. every 10-15 drops stop adding the NaHO and use the glasss stirring rod to transfer a drop of the solution to a spotting tile.Test its pH using universal indicator.
3. keep adding NaHO and testing the solution by repeating step 2.As you get closer to neutral you may need to tes the solution after every drop.
4. pour the neutral solution into an evaporating basin and evaporate the water out of the solution using the equipment set up shown above.
observation-
The vapor from the water turned the neutral solution to small particles of salt
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