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SpyIntel [72]
2 years ago
12

HELP. ME!!!!!!!!!!!!!!!

Chemistry
2 answers:
Nastasia [14]2 years ago
7 0
It is CO2 because the oxygen compounds is 2 out of three.
Dmitry [639]2 years ago
4 0
A)CO2!! Hope this helps
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What is the mole ratio of H2O to C8H8?
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Answer:

Mole ratio for a compound

The chemical formula tells us the mole ratio.

CO2 = 1 CO2 molecule : 1 C atom : 2 O atoms.

Mole ratio for a reaction

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Applications of the mole ratio concept

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Mademuasel [1]
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4 0
3 years ago
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which statement best describes the equation caco3 2hcl → cacl2 co2 h2o? caco3 is a reactant; it is present before the reaction o
fomenos

Answer: CaCO_3 is a reactant; it is present before the reaction occurs.

Explanation:

In a chemical reaction the chemical formulas written before the arrow are described as reactants as they react together to form products which are written after the arrow.

CaCO_3 + 2HCl \rightarrow CaCl_2 + CO_2 + H_2O

Thus CaCO_3 and HCl are reactants here whereas CO_2, CaCl_2 and H_2O are products.

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3 years ago
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