several of the flame tests were shades of red. what should be done in the laboratory to correctly identify one of these ions
1 answer:
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Answer:
C.)
Explanation:
The general structure for a Ka expression is:
In this expression,
-----> Ka = equilibrium constant
-----> [A⁻] = base
-----> [HA] = acid
The products are in the numerator and the reactants are in the denominator. In this case, H₃PO₄ serves as an acid and H₂PO₄⁻ serves as a base.
As such, the equilibrium expression is: