If an Aqueous Sodium Hydroxide Solution Is Left in Contact

question 19

Short Answer

If an aqueous sodium hydroxide solution is left in contact with air,the concentration of hydroxide ion gradually decreases.The process can be hastened if a person exhales over a sodium hydroxide solution.Write a balanced chemical equation that describes the process by which the hydroxide ion concentration decreases.

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Definitions:

Administrative Expense

Costs related to the general administration of a business, such as salaries of executive officers and costs of the head office.

Direct Labour

The wages or salaries paid to employees directly involved in producing goods or providing services.

Variable Manufacturing Overhead

Costs that fluctuate with the level of production output, such as utilities and supplies used in the manufacture of a product.