Why water in considered as compound?
2 answers:
Answer with Explanation:
Water is a<em> compound </em>because it consists of<u> two types of atoms</u> <em>(Hydrogen and Oxygen)</em> that are chemically bonded. An<em> "element"</em> only consists of one type of atom, therefore, water is not an element but a compound. Its chemical formula is: . This means that water consists of <u> 2 atoms of Hydrogen that are bonded to an atom of Oxygen.</u> Take note that a compound is <em>different compared to the elements that it is made of</em>. For example, water is essentially liquid in its form but it is different from the atoms of Hydrogen and Oxygen, which are gas in form.
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There will be needed 982.35 mL of solution to obtain 16.1 grams of the salt.There will be needed mL of
Why?
In order to calculate how many milliliters are needed to obtain 16.1 grams of the salt given its concentration, we first need to find its chemical formula which is the following:
Now that we know the chemical formula of the substance, we need to find its molecular mass. We can do it by the following way:
We have that the molecular mass of the substance will be:
Therefore, knowing the molecular mass of the substance, we need to calculate how many mols represents 16.1 grams of the same substance, we can do it by the following way:
Finally, if we need to calculate how many milliliters are needed, we need to use the following formula:
Now, substituting and calculating, we have:
Henc, there will be needed 982.35 mL of solution to obtain 16.1 grams of the salt.
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