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Serjik [45]
3 years ago
6

If you have an initial water level in a graduated cylinder of 15 mL and your

Chemistry
1 answer:
ki77a [65]3 years ago
3 0

Answer:

The answer is

<h2>0.5 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass of aluminum = 2 g

volume = final volume of water - initial volume of water

volume = 19 - 15 = 4

volume = 4 mL

The density of the metal is

density =  \frac{2}{4}   =  \frac{1}{2}  \\

We have the final answer as

<h3>0.5 g/mL</h3>

Hope this helps you

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Metallic elements can be recovered from ores that are oxides, carbonates, halides, or sulfides. Give an example of each type.
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Metallic elements which can be recovered from ores that are oxides, carbonates, halides, or sulfides are iron, zinc, silver and lead respectively.

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<h3>How metals obtained from sulphide or carbonate ore? </h3>

As we get to know that it is easy to obtain metals from their oxides. So, firstly ores which is found in the form of carbonates and sulphide are converted into their oxides by using the process of calcination and roasting.

The metals which is in the middle of the activity series are moderately reactive. These metals are found in the crust of the earth is mainly found as oxides, sulphides, or carbonates.

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