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The density of an elemental gas is 1.7824 g/L at STP. What is the molar mass of the element?
13 years ago

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DrBob222
1 mole of the gas will occupy 22.4 L at STP. So mass = volume x density. You have density and volume, solve for mass of 1 mole (which of course is molar mass).
13 years ago
Anonymous
What is the new volume, in milliliters, of the balloon if remains constant and the balloon is very elastic?
12 years ago

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