A Sample of Compound X Is Subjected to Elemental Analysis

question 86

Multiple Choice

A sample of compound X is subjected to elemental analysis and the following percentages by weight are found: 39.97% C, 6.73% H, and 53.30% O. The molecular weight of X is 90. What is the empirical formula of X?

• A) C₆HO₈
• B) C₂H₄O₂
• C) C₄H₁₀O₂
• D) C₃H₆O₃
• E) CH₂O

Recognize the benefits of budgeting in planning, coordination, and performance evaluation.

Understand the specific roles and responsibilities in the budgeting process.

Understand the concept of budgeting and its importance in financial planning.

Learn how to calculate budgeted purchases based on beginning and ending inventory, and the cost of goods sold.

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Definitions:

Activated Factor XII

A component of the blood clotting cascade that initiates the intrinsic pathway of blood coagulation upon activation.

Thrombus

A blood clot that forms within a blood vessel and remains there, which can obstruct blood flow.

Embolus

A blood clot, air bubble, piece of fatty deposit, or other object that has been carried in the bloodstream to lodge in a vessel and cause an embolism.

Prostacyclin

A potent vasodilator and inhibitor of platelet aggregation produced by the endothelial cells of blood vessels.