How Many Molecules of H₂S Are Required to Form 79

question 116

Multiple Choice

How many molecules of H₂S are required to form 79.0 g of sulfur according to the following reaction? Assume excess SO₂. 2 H₂S(g) + SO₂(g) → 3 S(s) + 2 H₂O(l)

• A) 1.48 × 10²⁴ molecules H₂S
• B) 9.89 × 10²³ molecules H₂S
• C) 5.06 × 10²⁵ molecules H₂S
• D) 3.17 × 10²⁵ molecules H₂S
• E) 2.44 × 10²³ molecules H₂S

---

Definitions:

Unit Product Cost

represents the total cost to produce one unit of product, including direct materials, direct labor, and overhead.

Fixed Manufacturing Overhead

encompasses the consistent, non-varying costs of producing goods, such as factory lease or salary of supervisors, linked but differently phrased to fixed manufacturing expenses.

Outside Supplier

An external entity that provides goods or services to a company, which are not produced in-house.

Variable Costs

Costs that vary directly with the level of production or service output, such as raw materials and direct labor expenses.