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richardjalba
 2 years ago
Under certain conditions argon (Ar) gas diffuses at a rate of 3.2 centimeters per second. Under the same conditions, an unknown gas diffuses at a rate of 4.5 centimeters per second. What is the approximate molar mass of the unknown gas?
A.10 g/mol
B. 20 g/mol
C. 28 g/mol
D. 56 g/mol
richardjalba
 2 years ago
Under certain conditions argon (Ar) gas diffuses at a rate of 3.2 centimeters per second. Under the same conditions, an unknown gas diffuses at a rate of 4.5 centimeters per second. What is the approximate molar mass of the unknown gas? A.10 g/mol B. 20 g/mol C. 28 g/mol D. 56 g/mol

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aaronq
 2 years ago
Best ResponseYou've already chosen the best response.0Graham's law \[\frac{ rate 1 }{ rate 2 }=\sqrt{\frac{ Molarmass2 }{ Molarmass1 }}\] notice how the placement is inversed across the equal sign
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