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The rate of effusion of an unknown gas was measured to be 2.3 mL/min. Under similar conditions,

a known gas with a density of 3.1 g/mL effuses at 19.5 mL/min. What is the density of the

unknown gas?

Given:

Equation:

Solution:

Answer:

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Answer:

0.3656 g/ml of unknown gas

Step-by-step explanation:

Given:

rate of effusion of unknown gas = 2.3ml/min

rate of effusion of known gas = 19.5 ml/min

density of known gas = 3.1 g/ml

Required: density of unknown liquid

Sol'n : use ratio and proportion

(19.5 ml/min ÷ 3.1 g/ml) = (2.3ml/min ÷ density of unknown gas)

density if unknown gas = 0.3656 g/ml

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