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3 years ago

The chemical compound lithium fluoride contains a(n) chemical bond because electrons are ___.

Chemistry

2 answers:

navik [9.2K]3 years ago

8 0

The answer is ionic; transferred.

ICE Princess25 [194]3 years ago

8 0

Answer : The chemical compound lithium fluoride contains an ionic chemical bond because electrons are transferred.

Explanation :

Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.

The covalent compound are usually formed when two non-metals react.

Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.

Ionic compound are usually formed when a metal reacts with a non-metal.

In lithium fluoride, lithium is an alkali metal and has one valence electron and fluoride is a non-metal and has 7 valence electrons.

When lithium atom donates an electron to a fluoride atom then it forms an ionic compound that is lithium fluoride (LiF).

Hence, the chemical compound lithium fluoride contains an ionic chemical bond because electrons are transferred.

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3 years ago

49.9 ml of a 0.00292 m stock solution of a certain dye is ddiluted to 1.00 L. the diluted solution has an absorbance of 0.600. w

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Complete Question

49.9 ml of a 0.00292 m stock solution of a certain dye is diluted to 1.00 L. the diluted solution has an absorbance of 0.600. what is the molar absorptivity coefficient of the dye

Answer:

The value is $\epsilon = 4118.1 \ M^{-1} cm^{-1}$

Explanation:

From the question we are told that

The volume of the stock solution is $V_1 = 49.9 mL = 0.0499 \ L$

The concentration of the stock solution is $C_1 = 0.00292 \ M$

The volume of the diluted solution is $V_2 = 1.00 \ L$

The absorbance is $A = 0.600$

Generally the from the titration equation we have that

$C_1 * V_1 = C_2 * V_2$

=> $0.00292 * 0.0499 = C_2 * 1$

=> $C_2 = 0.0001457 \ M$

Generally from Beer's law we have that

$A = \epsilon * l * C_2$

=> $\epsilon = \frac{A}{ l * C_2 }$

Here l is the length who value is 1 cm because the unit of molar absorptivity coefficient of the dye is $M^{-1} * cm^{-1}$

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3 years ago

The chemical compound lithium fluoride contains a(n) __________ chemical bond because electrons are _____________.

The chemical compound lithium fluoride contains a(n) chemical bond because electrons are ___.