3 years ago

In which liquid does solid brass float?

Chemistry

2 answers:

zimovet [89]3 years ago

7 0

It’s A , Liquid Mercury

ch4aika [34]3 years ago

6 0

Answer:

Explanation:

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You have 16.0 g of some compound and you perform an experiment to remove all of the oxygen, 11.2 g of iron is left. What is the

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The empirical formula of this compound is $Fe_2O_3$

<h3>Empirical formula </h3>

To calculate the empirical formula of a compound, the value of moles of each element is needed.

As we have the information of the mass value, we will use the molar mass expression, which corresponds to:

$MM_O = 16g/mol\\MM_Fe = 55.8g/mol$

$MM = \frac{m}{mol}$

$16 = \frac{4.8}{x}$

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As the value of the empirical formula must be an integer, simply multiply the two values by a common factor:

$O = 0.3 \times 10 = 3\\Fe = 0.2 \times 10 = 2$

$Fe_2O_3$

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Learn more about empirical formula: brainly.com/question/1247523

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What happen to water when it boils

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