Identify the acid and base on the left side of following equations and identify

Question

Identify the acid and base on the left side of following equations and identify their conjugate species on the right side. (Type your answer using the format (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-.)
(a) HCN + SO42- equilibrium reaction arrow CN - + HSO4-
acid

Correct: Your answer is correct.

conjugate base

Correct: Your answer is correct.

base

Correct: Your answer is correct.

conjugate acid

Correct: Your answer is correct.

(b) HCO3- + HPO42- equilibrium reaction arrow CO32- + H2PO4-
acid

Correct: Your answer is correct.

conjugate base

Correct: Your answer is correct.

base

Correct: Your answer is correct.

conjugate acid

Correct: Your answer is correct.

(c) CO32-(aq) + H2O(l) equilibrium reaction arrow OH -(aq) + HCO3-(aq)
acid

conjugate base

base

conjugate acid

Explanation / Answer

a) HCN + SO42- -----------> CN- + HSO4-

acid = HCN

Conjugate base = CN-

Base = SO42-

Conjugate acid = HSO42-

2) HCO3- + HPO42- ------------> CO32- + H2PO4-

acid = HCO3-

Conjugate base =  CO32-

Base =  HPO42-

Conjugate acid = H2PO4-

3) CO32- + H2O -------> HCO3- + OH-

acid = H2O

Conjugate base = OH-

Base = CO32-

Conjugate acid = HCO3-

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