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Ilya [14]
2 years ago
11

What happened to the salt molecules when they were added to cold water

Chemistry
1 answer:
Nimfa-mama [501]2 years ago
8 0
Cooler water molecules are denser than warm water and will not allow much of the salt to dissolve
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H2CO3(aq) + H200 H30 (aq) + HCO3 (aq).
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Answer:

K_a=\frac{[H_3O^+][HCO_3^-]}{[H_2CO_3]}

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Several rules should be followed to write any equilibrium expression properly. In the context of this problem, we're dealing with an aqueous equilibrium:

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Following the guidelines, we will omit liquid water and we will include all the other species in the constant. Each coefficient in the balanced equation is '1', so no powers required. Multiply the concentrations of the two products and divide by the concentration of carbonic acid:

K_a=\frac{[H_3O^+][HCO_3^-]}{[H_2CO_3]}

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