Consider the Single-Displacement Reaction in Which Zinc Metal Displaces Hydrogen

question 96

Short Answer

Consider the single-displacement reaction in which zinc metal displaces hydrogen from hydrochloric acid.
A.Write a complete and balanced chemical equation for this reaction.
B.If 3.4
10²³ zinc atoms react with 4.5
10²³ molecules of hydrochloric acid,calculate the mass of zinc chloride produced in this reaction.
C.Calculate the number of moles of the excess reactant that remain once the reaction stops.

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Definitions:

Ending Inventory

The value of goods available for sale at the end of an accounting period.

Variable Overhead Cost

Overhead costs that vary with the level of production or business activity, such as utilities or materials used in production.

Absorption Costing

A method of cost accounting that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a product.

Variable Costing

A costing method where only variable manufacturing costs are included in the cost of goods sold, with fixed manufacturing overhead treated as a period expense.