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If the atmospheric pressure is 101.3 kPa and the temperature is 25°C25°C, what is the density of air? (Use the ideal gas law)

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If the atmospheric pressure is 101.3 kPa and the temperature is 25°C25°C, what is the density of air? (Use the ideal gas law)
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Solution 1

To find the density of air using the ideal gas law, we need to know the pressure (P), the temperature (T), and the gas constant (R). The ideal gas law is PV = nRT, where n is the number of moles and V is the volume. We can rearrange this to find the density (ρ = n/V) as ρ = P/RT.

Given:

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