When Active Metals Such as Magnesium Are Immersed in Acid

question 2

Multiple Choice

When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved.Calculate the volume of H₂(g) at 30.1°C and 0.85 atm that can be formed when 275 mL of 0.725 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride.

• A)3.4 × 10^-3 L
• B)2.2 L
• C)2.9 L
• D)5.8 L
• E)11.7 L

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Definitions:

Basic EOQ Model

An inventory management formula known as the Economic Order Quantity model that determines the optimal order quantity to minimize the total costs of holding, ordering, and shortage.

Setup Cost

The initial expenses incurred in preparing a machine or process for production, typically including costs associated with configuring equipment and labor.

Carrying Cost

Costs related to the storage or maintenance of inventory for a duration, encompassing warehouse storage fees, insurance premiums, value depreciation, and the potential loss of other opportunities.

Reorder Point

The inventory level at which an order is triggered to replenish stock before it runs out.