A weak acid in equilibrium would mean that the solution contains the corresponding ions and the acid molecule that are in equilibrium with each other. A weak acid is an acid that does not dissociate completely into ions. Therefore, the solution would have the HA molecule as well with, H+ and A- ions.<span />
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Pure substances cannot be separated into any other kinds of matter while a mixture is a combination of two or more pure substances
A pure substance has constant physical and chemical properties while mixtures have varying physical and chemical properties
The atoms are different by prime difference lies in the fact that pure substances cannot by physically separated while mixtures can be (physical methods)
Answer: 18
Explanation:
i took a test and reviewed it and it said 18