A Compound Consists of Only Magnesium, Carbon, and Oxygen

question 36

Multiple Choice

A compound consists of only magnesium, carbon, and oxygen. If the percentage by mass of Mg is 63.9% and that of C is 12.2%, what is the percentage by mass of O?

• A) 76.1%
• B) 23.9%
• C) 51.7%
• D) 70.9%
• E) None of the above

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Definitions:

Market Return

The total return on an investment, including dividends and capital gains, as opposed to the annual return.

Supernormal Growth

A period in which a company or economy experiences growth rates significantly above the norm.

Dividend Yield

A financial ratio that shows how much a company pays out in dividends each year relative to its stock price, indicative of the return on investment for shareholders.

Capital Gains Yield

The capital gain on a stock divided by the price at which it was purchased.