Use R = 82 *10^-5 M³

question 110

Multiple Choice

Use R = 8.2 *10^-5 m³ . atm/mol .K and N_A = 6.02 * 10²³ mol^-1.The approximate number of air molecules in a 1 m³ volume at room temperature (300 K) and atmospheric pressure is:

• A)41
• B)450
• C)2.4 *10²⁵
• D)2.7*10²⁶
• E)5.4 * 10²⁶

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