2 years ago

Describe how Carbon fulfills the Octet Rule in this molecule.

2 answers:

6 0

Because carbon has two double bonds which is equal to 8 electrons so therefore the octet rule is fulfilled.

NISA [10]2 years ago

6 0

Answer:

It fulfills the octet rule because the shells apart from the innermost shell has a total of 8 electrons

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valentinak56 [21]

Answer: The percentage by mass of sulphur in $Al_2(SO_4)_3$ is 9.36%

Explanation:

Mass percent of an element is the ratio of mass of that element by the total mass expressed in terms of percentage.

${\text {Mass percentage}}=\frac{\text {mass of sulphur}}{\text {Total mass}}\times 100\%$

Given: mass of sulphur = 32 g/mol

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Putting in the values we get:

${\text {Mass percentage}}=\frac{32g/mol}{342g/mol}\times 100\%=9.36\%$

The percentage by mass of sulphur in $Al_2(SO_4)_3$ is 9.36%

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3 years ago