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Hitman42 [59]
3 years ago
15

WILL GIVE 90 POINTS !!!

Chemistry
2 answers:
Stella [2.4K]3 years ago
6 0

Answer:

A.Vinegar and soda

Explanation:

-A salt is a substance that contains a cation which is a metal ion or an ammonium ion and an anion derived from an acid. It is an ionic compound that can be formed by the neutralization reaction of an acid and a base.

-For example; a reaction between a soluble base sodium hydroxide and an acid dilute sulfuric acid results to the formation of salt sodium salt. There are also other methods of generating a cell apart from neutralization, such as precipitation reactions and direct synthesis among others,

Lyrx [107]3 years ago
3 0

Answer:

Answer is: A. Vinegar and soda.

Neutralization is is reaction in which an acid (in this example vinegar or acetic acid CH₃COOH)  and a base (in this example soda or some other base) react quantitatively with each other.

Balanced chemical reaction of vinegar and soda:

CH₃COOH(aq) + Na⁺(aq) → CH₃COONa(aq) + H⁺(aq).

Sodium acetate (CH₃COONa) is a salt.

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Answer:

a) Unsaturated

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Explanation:

A saturated  solution contains the <u>maximum amount of a solute that will dissolve in a given  solvent at a specific temperature</u>.

An unsaturated solution contains <u>less solute than it  has the capacity to dissolve. </u>

A supersaturated solution, <u>contains more  solute than is present in a saturated solution</u>. Supersaturated solutions are not very  stable. In time, some of the solute will come out of a supersaturated solution as crystals.

According to these definitions and considering that the solubility of KCl in 100 mL of H₂O at <u>20 °C is 34 g</u>, and at <u>50 °C is 43 g</u> we can label the solutions:

a) 30 g in 100 mL of H₂O at 20 °C  ⇒ unsaturated

b) 65 g in 100 mL of H₂O at 50 °C  ⇒ supersaturated

c) 42 g in 100 mL of H₂O at 50 °C and slowly cooling to 20 °C to give a clear solution <u>with no precipitate</u> ⇒ unsaturated (if it were saturated it would have had precipitate)

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