A compound that conducts an electric current in aqueous solution or in the molten state.

Chemistry

1 answer:

makvit [3.9K]3 years ago

7 0

Answer:

A compound that conducts an electric current in aqueous solution or in the molten state is a ionic compound.

E.g. NaCl (table salt)

Explanation:

Some examples of ionic compounds are NaCl, KF, KI, MgSO₄.

Ionic compounds are formed by positivie ions (named cations) and negative ions (named anions). The strong electrostatic atraction between cations and anions permits the formation of crystals, which are stuctures characterized by a regular pattern. In solid state the ions are in fixed positions.

In order to conduct electricity, the charged particles (cations and anions in the case of the ionic compounds) need to move freely.

Hence, since in solid state, ionic compounds do not conduct electric current. But, in molten (liquid) state or in aqueous solution, ionic compounds conduct electric current because, then, the ions move freely.

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The solubility KI is 50 g in 100 g of H2O at 20 °C. if 110 grams of ki are added to 200 grams of H2O ________

Salsk061 [2.6K]

The solubility KI is 50 g in 100 g of H₂O at 20 °C. if 110 grams of ki are added to 200 grams of H₂O the solution will be saturated.

<h3>What is solubility?</h3>

Solubility is a condition where the solute is fully dissolved in the solvent. When fully mixed with the solvent.

Given that 50 g of KI is added to 100 g of water at 20 °C it means 100 g of water can dissolve a maximum of 50 g of KCl.

1 g of water will dissolve an quantity of 0.5 g of KCl.

To assay for 200 g of water: 200 g of water can disintegrate a maximum of (0.5) x 200 g of KCl.

The maximum amount of KCl that will dissolve is 100 g

Actualised amount dissolved = 110 g

when Amount dissolved > Maximum solubility limit