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Neporo4naja [7]
3 years ago
14

Identify the type and number of atoms in each molecule of the reactants and products.

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
3 0

Answer:

CaCO3: 1 calcium 1 carbon 3 oxygen

CaO: 1 calcium 1 oxygen

CO2: 1 carbon 2 oxygen

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Answer:

The structures are attached in file.

Hydrogen bonding and intermolecular forces is the reason for ranks allotted.

Explanation:

In determining Lewis structure, we calculate the overall number of valence electrons available for bonding.  Making carbon (the least electronegative atom) the central atom in the structure, we allocate valence electrons until each atom has achieved stability.

In order of decreasing affinity to water molecules:

CO_{3}^{2-}  > HCO_{3} ^{2-} > H_{2} CO_{3}

This is due to the fact that the CO_{3}^{2-}will accept protons more readily than the bicarbonate ion, HCO_{3} ^{2-}. Carbonic acid, H_{2} CO_{3} will not accept any more protons, hence it is the least attractive to water molecule, even though soluble.

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