How Many Sodium Ions Are Contained in 99

question 18

Multiple Choice

How many sodium ions are contained in 99.6 mg of Na₂SO₃?
The molar mass of Na₂SO₃ is 126.05 g/mol.

• A)1.52 × 10²⁷ sodium ions
• B)4.76 × 10²⁰ sodium ions
• C)2.10 × 10²¹ sodium ions
• D)1.05 × 10²¹ sodium ions
• E)9.52 × 10²⁰ sodium ions

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Definitions:

Factor Weighting Model

A decision-making model used to evaluate multiple alternatives based on various criteria, assigning different weights to each factor based on its importance.

Subjectivity

The influence of personal feelings, tastes, or opinions in decision-making or perception.