A Voltaic Cell Consists of a Hg/Hg₂²⁺ Electrode (E°

question 46

Multiple Choice

A voltaic cell consists of a Hg/Hg₂²⁺ electrode (E° = 0.85 V) and a Sn/Sn²⁺ electrode (E° = -0.14 V) . Calculate [Sn²⁺] if [Hg₂²⁺] = 0.24 M and E_cell = 1.04 V at 25°C.

• A) 0.0001 M
• B) 0.0007 M
• C) 0.005 M
• D) 0.03 M
• E) 0.05 M

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Definitions:

Absorption Costing

An accounting method that includes all manufacturing costs, both fixed and variable, in the cost of a product, required for external reporting in many jurisdictions.

Ending Inventory

The total value of all unsold goods still available in stock at the end of an accounting period.

Absorption Costing

A calculation method in accounting that compiles all production-related costs, namely direct materials, direct labor, and every overhead cost (both variable and fixed), into the product's pricing.

Variable Costing

An accounting method that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in the cost of goods sold and treats fixed manufacturing overhead as an expense of the period.