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Whitepunk [10]
3 years ago
10

Enter your answer in the provided box. To draw a Lewis structure, first add the number of outer (valence) electrons contributed

by each atom to obtain the total number of outer electrons. What is this value for a molecule of CH3Cl?
Chemistry
1 answer:
DIA [1.3K]3 years ago
4 0

Answer:

14 is this value for a molecule of CH_3Cl.

Explanation:

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

Number of total outer valence electrons is carbon = 4

Number of total outer valence electrons is hydrogen = 1

Number of total outer valence electrons is chlorine = 7

For total number of outer electrons is CH_3Cl

=1\times 4+3\times 1+1\times 7=14

14 is this value for a molecule of CH_3Cl.

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Answer:

71 Ga has a naturally abundance of 36%

Explanation:

Step 1: Given data

Gallium has 2 naturally occurring isotopes: this means the abundance of the 2 isotopes together is 100 %. The atomic weight of Ga is 69.72 amu. This is the average of all the isotopes.

Since the average mass of 69.72 is closer to the mass of 69 Ga, this means 69 Ga will be more present than 71 Ga

Percentage 69 Ga> Percentage 71 Ga

<u>Step 2:</u> Calculate the abundance %

⇒Percentage of 71 Ga = X %

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The mass balance equation will be:

100*69.72 = x * 71 + (100 - x)*69

6972 = 71x + 6900 -69x

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x = 36 %

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3 0
3 years ago
Which of the following theories provides information concerning both molecular shape and molecular bonding?
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Which of earths spheres contains most of its mass?
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How many moles of KBr will be produced from 10.51 moles of BaBr2?
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Answer:

21.02moles of KBr

Explanation:

Parameters given:

Number of moles BaBr₂ = 10.51moles

Complete reaction equation:

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Upon inspecting the given equation, we find out that the atoms are not balanced on both sides of the equation:

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From the equation:

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7 0
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