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SIZIF [17.4K]
3 years ago
11

Name

Chemistry
1 answer:
anzhelika [568]3 years ago
7 0

Answer:

solubility- the degree to which a material will dissolve in another substance

mixture- different materials placed together but keeping their own properties

solution- a mixture in which substances are spread out evenly and will not settle

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Investigation of ions and Separation of Mixtures 1- Propose systematic schemes for the identification of the following salts wit
zalisa [80]

The cations and anions can be identified using cataloged reactions schemes. For instance, the copper II ion can be identified by reaction with sodium hydroxide.

The sodium cation is easily identified by flame test. sodium imparts a yellow color to a flame. The chloride ion is identified by the use of a mixture of HNO3/AgNO3 solution. The color of the precipitate shows which halide ion is present. A white precipitate indicates the presence of the chloride ion.

The potassium cation is also identified by flame test. The ion imparts a lilac color to flame. Addition of acidified FeSO4 solution is used to confirm the presence of the nitrate ion. Formation of a brown ring is a positive test for the nitrate ion.

For CuSO4, the presence of copper II ion can be confirmed using dilute NaOH. If a light blue precipitate is formed which dissolves in excess NaOH then the copper II ion is confirmed. The presence of the sulfate ion is confirmed using a solution of barium nitrate and dilute nitric acid. Formation of a white precipitate is a positive test for the sulfate ion.

Learn more: brainly.com/question/5624100

5 0
2 years ago
and it has been trying to lose weight her problem is that she is addicted to sweets.whay can she substitute for candy in a weigh
Papessa [141]
She could eat more carbs. Carbs would turn into glucose in the body and make her crave sugar less, so she would eat less sugar.
Mark me brainliest please
3 0
2 years ago
What would be the correct answer please help!
bogdanovich [222]

Answer:

first number is the correct answer

6 0
3 years ago
Read 2 more answers
The (triangle)Hrxn of formation of carbon dioxide is negative. Which statement is true? The reaction is endothermic. The reactio
ANEK [815]
The negative ion reactions that consist of the formation of carbon dioxide in the atmosphere is generally an exothermic reaction. By definition, an exothermic reaction takes place when the chemical process eventually releases heat as its by-product. It is in contrast in endothermic process wherein heat is absorbed.
7 0
3 years ago
Read 2 more answers
Name each subatomic particle, its charge, and its location in an atom.
Tpy6a [65]
Protons: charge +1, have a mass of 1 and are found in the nucleus 

Neutrons: charge 0, have a mass of 1 and are found in the nucleus

Electrons: charge -1, have a mass of 1/840 and are found on the outside of the nucleus 

hope that helps 
4 0
2 years ago
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