3 years ago

Why do we use the mole concept ??

Chemistry

2 answers:

Kaylis [27]3 years ago

7 0

Answer:

Here

Explanation:

Chemists need the mole concept to bridge the gap between the microscopic world of atoms to the macroscopic world of humans. As you know, the molecular level consists of particles that are invisible to us.

uysha [10]3 years ago

6 0

Answer:

it allows us to count atoms and molecules by weighing macroscopic amounts of material.

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3 years ago

Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical

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Answer: $3Mg(s)+2SnCl_3(aq)\rightarrow 3MgCl_2(aq)+2Sn(s)$

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Single replacement reaction is a chemical reaction in which more reactive element displaces the less reactive element from its salt solution.

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As Magnesium is more reactive than tin, it can easily displace tin from its salt solution $(SnCl_3)$ and form magnesium chloride and tin in elemental form.

The balanced chemical equation is:

$3Mg(s)+2SnCl_3(aq)\rightarrow 3MgCl_2(aq)+2Sn(s)$

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3 years ago