At a Pressure of One Billionth (10^-9) of Atmospheric Pressure

question 27

Multiple Choice

At a pressure of one billionth (10^-9) of atmospheric pressure, there are about 2.7 * 10¹⁰ molecules in one cubic centimeter of a gas. How many molecules is this per cubic meter?

• A) 2.7 * 10¹⁶
• B) 2.7 * 10¹⁴
• C) 2.7 * 10¹²
• D) 2.7 * 10⁸
• E) 2.7 *10⁴