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GarryVolchara [31]
3 years ago
12

How does the law of conservation of mass apply to this reaction: Mg + HCl → H2 + MgCl2?

Chemistry
2 answers:
erastova [34]3 years ago
6 0

Answer: The correct answer is A. Hydrogen and chlorine need to be balanced. There's an equal amount of magnesium on each side.

lora16 [44]3 years ago
3 0

Answer:

Its A my friend! :)

Explanation:

I think thats it.

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Select the correct empirical formula for each molecular formula given.
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Answer:

CH₂O

Explanation:

Empirical formula:

It is the simplest formula gives the ratio of atoms of different elements in small whole number.

Molecular formula:

Molecular formula shows the actual whole number ratio of elements present in compound.

Given molecular formula: C₆H₁₂O₆

Empirical formula = CH₂O

In molecular formula six moles of carbon six moles of oxygen and 12 moles of hydrogen are present.

To get the smallest whole number we divide the each number by 6 and we get CH₂O which is empirical formula of C₆H₁₂O₆.

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