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drek231 [11]
3 years ago
13

In its aqueous solution, 32% of a substance dissociates to release hydroxide ions. Which of the following is true for the substa

nce? It is a weak acid. It is a weak base. It is a strong acid. It is a strong base.
Chemistry
1 answer:
Scrat [10]3 years ago
5 0

The solution is a weak base. a weak base is that which dissociates partially in aqueous solution to give hydroxide ions as the only negatively charged ions. In the provided information, only 32 %of the substance dissociates thus it is a partial dissociation. Most of the energy is used to break bonds thus the remaining energy is not enough to cause complete dissociation.

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Describe the reason why a reaction between two substances comes to an end.
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When a gas is given off as a liquid boils it is an example of a?
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a water sample is found to have a cl- content of 100ppm as nacl what is the concentration of chloride in moles per liter
ladessa [460]

Answer:

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Explanation:

We know that 1 ppm is equal to 1 mg/L.

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The molar mass of Cl^- is equal to the molar mass of Cl atom as the mass of the excess electron in Cl^- is negligible as compared to the mass of Cl atom.

So, the molar mass of Cl^- is 35.453 g/mol.

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Hence, the number of moles (N) of Cl^- present in 100 mg (0.100 g) of Cl^- is calculated as shown below:

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