A-glass-bulb-contains-2-24-L-of-H-2-and-1-12-L-of-D-2-at-S-T-P-It-is-connected-to-a-fully-evacuated-bulb-by-a-stopcock-with-a-small-opening-The-stopcock-is-opened-for-sometime-and-then-closed-The

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Question Number 18411 by Tinkutara last updated on 20/Jul/17

$$\mathrm{A}\mathrm{glass}\mathrm{bulb}\mathrm{contains}2.24\mathrm{L}\mathrm{of}{\mathrm{H}}_2\mathrm{and}$$$$1.12\mathrm{L}\mathrm{of}{\mathrm{D}}_2\mathrm{at}\mathrm{S}.\mathrm{T}.\mathrm{P}.\mathrm{It}\mathrm{is}\mathrm{connected}\mathrm{to}$$$$\mathrm{a}\mathrm{fully}\mathrm{evacuated}\mathrm{bulb}\mathrm{by}\mathrm{a}\mathrm{stopcock}$$$$\mathrm{with}\mathrm{a}\mathrm{small}\mathrm{opening}.\mathrm{The}\mathrm{stopcock}\mathrm{is}$$$$\mathrm{opened}\mathrm{for}\mathrm{sometime}\mathrm{and}\mathrm{then}\mathrm{closed}.$$$$\mathrm{The}\mathrm{first}\mathrm{bulb}\mathrm{now}\mathrm{contains}0.1\mathrm{g}\mathrm{of}{\mathrm{D}}_2.$$$$\mathrm{Calculate}\mathrm{the}\mathrm{percentage}\mathrm{composition}$$$$\mathrm{by}\mathrm{weight}\mathrm{of}\mathrm{the}\mathrm{gases}\mathrm{in}\mathrm{the}\mathrm{second}$$$$\mathrm{bulb}.$$

Answered by Tinkutara last updated on 09/Sep/17

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