How Many Grams of Sulfuric Acid, H₂SO₄, Can Be Obtained

question 54

Multiple Choice

How many grams of sulfuric acid, H₂SO₄, can be obtained from 578 grams of iron ore if the ore is 76.0% by mass FeS? The reactions involved are given below. Each reaction is 92.0% efficient. 4 FeS + 7O₂ → 2 Fe₂O₃ + 4 SO₂
2 SO₂ + O₂ → 2 SO₃
SO₃ + H₂O → H₂SO₄

• A) 502 g
• B) 307 g
• C) 382 g
• D) 95.5 g
• E) 629 g

---

Definitions:

After-Tax Discount Rate

The interest rate used in discounting cash flows that takes into account the tax implications of the investment.

Incremental Sales

The additional revenue generated from a specific business decision or action.

Cash Operating Expenses

Expenses incurred during the normal operation of a business that affect its cash position, such as rent, utilities, and payroll, excluding non-cash expenses like depreciation.

Working Capital

The difference between a company's current assets and its current liabilities, indicating the liquidity and operational efficiency of the business.