Synthesis of Barium Sulphate (BaSO4)
1. Experiment Details
Experiment Title: Synthesis of Barium Sulphate (BaSO4)
2. Data-Time Group (DTG)
3. Aim
To produce a pure sample of Barium Sulphate (BaSO4) of at least 0.50
grams.
4. Apparatus & Materials
Chemicals used:
Barium Nitrate, Ba(NO3)2
Sulphuric Acid, H2SO4
Lab equipment used:
Glass beakers (2)
Funnel (1)
Filter paper (5)
Conical flask (1)
5. Method
1. Collect 50 cm3 of Sulphuric Acid and 50 cm3 of Barium Nitrate in
separate beakers.
2. Add the Barium Nitrate to the Sulphuric Acid [Time taken for
steps 1 and 2: 1 minute]
3. Stir the resultant mixture to ensure that the chemicals are
completely reacted. The salt produced is insoluble and will remain
at the bottom of the beaker. [Time taken: 2 minutes]
4. Leave the mixture for several minutes to allow the products to
sink to the bottom of the beaker. [Time taken: 2-3 minutes]
5. Pour away as much of the top layer of water as possible to speed
up the filtration. [Time taken; 1 minute]
6. Filter the BaSO4 into the conical flask using the filter paper
and funnel. Ensure there is a gap between the conical flask and
the funnel at all times, to allow for the free movement of air.
[Time taken: 30 minutes]
7. Press-dry the BaSO4 crystals in-between several layers of filter
paper. [Time taken: 1 day]
8. When the BaSO4 crystals are dry enough, use a plastic spatula to
scrape off the salt into a small plastic bag and seal tightly.
6. Results
After adding the H2SO4 to the Ba(NO3)2, an opaque white mixture was
The purpose for this lab was to use aluminum from a soda can to form a chemical compound known as hydrated potassium aluminum sulfate. In the lab aluminum waste were dissolved in KOH or potassium sulfide to form a complex alum. The solution was then filtered through gravity filtration to remove any solid material. 25 mLs of sulfuric acid was then added while gently boiling the solution resulting in crystals forming after cooling in an ice bath. The product was then collected and filter through vacuum filtration. Lastly, crystals were collected and weighed on a scale.
Voynick and his partner came across an accumulation of water nearly two feet deep covering the rail trac...
· Rinse out mixture in flask and leave water running to get rid of the
Adding 1/4 cup of sugar once the water is boiling and stiring until it dissolves completly.
this case I will time how long it takes for the water to reach the ’50
7. Using the stirring wire, stir the mixture until the solute completely dissolves. Turn the heat source off, and allow the solution to cool.
The water moves at a faster rate since there is nothing to absorb the water, which could cause flooding.
down the beaker which is filled with a solution of 75-ml of DI water and 25-ml of HCL. In order
...l of distilled water, blend for 2 minutes on high speed until mixture is smooth with no lumps (measure the weight of the cabbage using the scale).
7.) After you have heated them to the right temperatures, pour the excess water into a dry evaporating dish. ( Be sure not to get any of the substance in your solution. )
5. Add Hcl, as soon as it mixes with the ( ), start the stopwatch
8. Continue to heat the crucible, occasionally lifting the lid with tongs to provide oxygen for the reaction
3rd create wells: put a comb template in middle of the tray; wait until the mixture becomes solid. After,
6. I then rinsed out the beaker and glass rod into the flask to make
Suction and lift are paramount contemplations when pumping liquids. Suction is the vertical separation between the liquid to be pumped and the core of the pump, while lift is the vertical separation between the pump and the conveyance point. The profundity from which a hand pump will suck is restricted by air weight to a working profundity of less than 7 meters. The depth to which a hand pump will lift is administered by the capacity of the pump and the driver to lift the weight in t...