Answer:
- Bleaching powder is produced by the action of chlorine on dry slaked lime.[Ca(OH)2].
- Ca(OH)2 + Cl2 gives CaOCl2 + H20
Explanation:
<u>Uses:-</u>
- It is used an oxidising agent in many chemical industries.
- It is used for disinfecting drinking water to make it free of germs.
- It is also used bleaching cotton and linen in the textile industry.
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Answer: hydrogen has 0.0504% and Fluorine has 0.950%
Explanation: H= 1.00794
F= 18.9984
1 X 1.00794+ 1 X 18.9984= 20.00778g/mol
H= 1.00794/20.00778= 0.0504%
F-18.9984/20.00778= 0.950%
The answer is addition polymerization.
That is addition polymerization is the type of polymerization reaction involves the bonding of monomer molecules by the movement of electrons from a multiple bond into new single bonds between molecules.
Addition polymerization reaction is the reaction in which bonding of monomer molecules takes places by the movement of electrons from a multiple bond into new single bonds between molecules.
The student should set up an experiment in which he will require a crucible, a sample of hydrated copper sulfate (CuSO₄ <span>• 5H</span>₂O), a hot plate and a digital mass balance.
First, the student should check the mass of the empty crucible, then add the sample to the crucible and check the mass again. The difference is the mass of the sample.
Next, the student should place the crucible on a hot plate and begin heating the sample. After regular time intervals, such as two minutes, the students should measure the mass of the crucible and sample and note it down until it stops decreasing.
After a final mass of the sample has been obtained, the student may subtract this from the initial mass and find the mass of water evaporated.
Answer:
112 mL
Explanation:
The formula for percent by volume is
If you have 250 mL of a solution that is 44.8 % v/v,