What Is the Concentration of Al³⁺ in the Following Cell

question 18

Multiple Choice

What is the concentration of Al³⁺ in the following cell at 25°C if the cell voltage is 1.486 V? Al ∣ Al³⁺(?) || Sn²⁺(3.21 × 10^-4 M) ∣ Sn
Al³⁺ + 3 e- → Al(s)   E° = -1.676 V
Sn²⁺ + 2 e- → Sn(s)   E° = -0.137 V

• A) 2.8 × 10^-3 M
• B) 1.6 × 10^-5 M
• C) 4.5 × 10^-5 M
• D) 2.4 × 10^-2 M
• E) 7.8 × 10^-6 M

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Dosage

The size or frequency of a dose of a medicine or drug.

PKU

Phenylketonuria is a genetic disorder characterized by a deficiency in the enzyme needed to metabolize phenylalanine, leading to intellectual disability if untreated.

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An outdated term for intellectual disability, which is characterized by below-average intelligence and a lack of skills necessary for day-to-day living.