An Analyst Prepares a Diluted Standard for Use in a Post-Mortem

question 2

Multiple Choice

An analyst prepares a diluted standard for use in a post-mortem toxicological assay. The analyst dilutes 2.0 uL of a commercial standard, 1.00 mg/mL, to 10.00 mL in a type A volumetric flask. A syringe is used to draw out and deliver the 2.0 uL. The absolute uncertainties of the equipment are:
Volumetric flask: 0.08 mL
Syringe: 0.10 uL
Commercial standard: 0.050 mg/mL
What is the uncertainty of the diluted solution expressed in ug/mL? Report to 2 decimal places

• A) 14.00
• B) 0.070
• C) 2.00
• D) 0.14
• E) 1.35
• F) 13.50

---

Definitions:

Market To Book Value

A financial ratio used to compare a company's current market price to its book value, indicating how much shareholders are paying for the net assets of a company.

ROE

Return on Equity, a measure of financial performance calculated by dividing net income by shareholders' equity, indicating how efficiently a firm uses its equity to generate profit.

Leverage Ratio

The leverage ratio is a financial metric indicating the level of debt used by a business to finance its assets, often used to assess financial risk.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity, typically including the balance sheet, income statement, and cash flow statement.