The Molecular Mass of a Compound X(NO₃)₃ Is 213

question 155

Multiple Choice

The molecular mass of a compound X(NO₃) ₃ is 213. The atomic mass of X is ________, which is ________.

• A)27; Al
• B)51; V
• C)56; Fe
• D)59; Co

---

Definitions:

First-In, First-Out

An inventory valuation method where the first items purchased or manufactured are the first to be sold, impacting the cost of goods sold and inventory valuation.

Perpetual System

An inventory accounting system that continuously updates inventory records and cost of goods sold after each purchase or sale.

Factory Overhead

Refers to indirect manufacturing costs, including expenses related to operating the factory environment, such as rent, insurance, and salaries for administrative personnel.

Machine Hours

A measure of production time or usage, indicating the total hours that machinery is operated in the manufacturing process.