17. If our atmosphere had a uniform density of 1.25 kg/m³ all the way up to a border with empty space above, at what height above sea level would the air pressure be 0.75 atm? The pressure at sea level is 1 atm. a) 2 km b) 4 km c) 6 km d) 8 km e) 10 km

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Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.