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3 years ago

Based on lewis structure analysis, what is the formal charge of the central atom in clf3

Chemistry

1 answer:

MArishka [77]3 years ago

4 0

Formal Charge is calculated as, Lewis structure is attached below,

Formal Charge = [# of valence electrons] - [electrons in lone pairs + 1/2 the number of bonding electrons]

# of valence electrons of Cl = 7

electrons in lone pairs = 4

number of bonding electrons = 6

Formal Charge = [7] - [4 + 6/2]

Formal Charge = [7] - [4 + 3]

Formal Charge = [7] - [7]

Formal Charge = 0

Result:
Formal charge on Cl in ClF₃ is zero.

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Explanation:

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2 years ago

1.00 g of a compound is combusted in oxygen and found to give 3.14g of CO2 and 1.29 g of H2O. From these data we can tell thatA.

lora16 [44]

Answer:

the compound contains C, H, and some other element of unknownidentity, so we can’t calculate the empirical formula

Explanation:

Mass of CO2 obtained = 3.14 g

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Hence number of moles of H2O = 1.29g/18.0 g = 0.0717 mol

The mass of the carbon in the sample = 0.0717 mol × 1g/mol = 0.0717 g

% by mass of carbon = 0.857/1 ×100 = 85.7 %

% by mass of hydrogen = 0.0717/1 × 100 = 7.17%

Mass of carbon and hydrogen = 85.7 + 7.17 = 92.87 %

Hence, there must be an unidentified element that accounts for (100 - 92.87) = 7.13% of the compound.

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2 years ago

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Answer:

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Explanation:

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<h3>Question:</h3>

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1 year ago