Based on the Balanced Chemical Equation Shown Below,determine the Mass

question 109

Multiple Choice

Based on the balanced chemical equation shown below,determine the mass percent of Fe³⁺ in a 0.6450 gram sample of iron ore,if 22.40 mL of a 0.1000 M stannous chloride,SnCl₂(aq) ,solution is required to completely react with the Fe³⁺ present in the ore sample.The chemical equation for the reaction is: 2 Fe³⁺(aq) + Sn²⁺(aq) → 2 Fe²⁺(aq) + Sn⁴⁺(aq) .

• A)6.196%
• B)9.697%
• C)19.40%
• D)38.79%

---

Definitions:

Brand Knowledge

The accumulated information and associations that a consumer has about a brand, influencing perception and decision-making.

Perceived Value

The worth or importance a product or service holds in the mind of the consumer.

Increasing

A process or trend involving the growth or augmentation in size, quantity, or degree over time.

Earned Reach

The extent of exposure or audience gained through organic means, such as shares, mentions, and word of mouth, without paid promotion.