4 years ago

What are the three common fossil fuels?

Chemistry

1 answer:

JulsSmile [24]4 years ago

6 0

Coal, oil, and natural gas are the 3 common fossil fuels

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3 years ago

What process is being shown by water being given off from each bond site?

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4 years ago

Chemistry is defined as:

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3 years ago

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2 years ago

Read 2 more answers

Please help

ludmilkaskok [199]

Answer: The molecular formula will be $C_3H_9$

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

The empirical formula is $CH_3$

The empirical weight of $CH_3$ = 1(12)+3(1)= 15g.

The molecular weight = 45.0 g/mole

Now we have to calculate the molecular formula:

$n=\frac{\text{Molecular weight }}{\text{Equivalent weight}}=\frac{45}{15}=3$

The molecular formula will be= $3\times CH_3=C_3H_9$

Thus molecular formula will be $C_3H_9$

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3 years ago