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15 December, 07:32

The density of an elemental gas is 1.7824 g/l at stp. what is the molar mass of the element. what is the element?

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  1. 15 December, 07:55
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    At STP 1 mole of gas occupies 22.4L. So you just multiply 1.7824g/L by 22.4L and the Liters cancel out. So the final answer is 39.92 and element Argon is closest to this mass so Argon is the element.
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