Find the Number of Nuclei Per Unit Volume (N =

question 74

Multiple Choice

Find the number of nuclei per unit volume (n = nuclei/cm³) for lead. atomic weight = 202.7
Density = 11.5 g/cm³
Avogadro's number = 6.02 × 10²³

• A) 2.51 × 10²²
• B) 3.42 × 10²²
• C) 2.93 × 10²²
• D) 2.94 × 10²³
• E) 2.05 × 10²¹

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Definitions:

Gross Profit Rate

The ratio of gross profit to net sales, expressing the percentage of revenue that exceeds the cost of goods sold.

Net Sales

The total revenue generated from goods or services sold by a company, minus returns, allowances, and discounts.

Gross Profit

The financial result obtained after subtracting the cost of goods sold from total revenue, indicating the efficiency of a company in managing its production and labor costs.

Operating Expenses

Expenses incurred from the normal operations of a business, excluding the cost of goods sold, such as rent, salaries, and utilities.