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Question 2.13: Determining Names and Formulas of Anions and Acids Problem N......

Determining Names and Formulas of Anions and Acids

Problem Name each of the following anions, and give the name and formula of the acid derived from it:

(a) Br^−;  (b) IO^−_3;  (c) CN^−;  (d) HSO^−_4.

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Solution (a) The anion is bromide; the acid is hydrobromic acid, HBr.

(b) The anion is iodate; the acid is iodic acid, HIO_3.

(c) The anion is cyanide; the acid is hydrocyanic acid, HCN.

(d) The anion is hydrogen sulfate; the acid is sulfuric acid, H_2SO_4. (In this case, the suffix is added to the element name sulfur, not to the root, sulf-.)

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