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Chemistry

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    $\begingroup$ Have you tried the ideal gas state equation pV=nRT? $\endgroup$
    – Poutnik
    Commented Feb 5, 2023 at 16:31
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    $\begingroup$ Transform the initial data into moles. Multiply by 3 to get the amount of H2. Hopefully you know why 3. Then apply pV = nRT to get the final volume V. $\endgroup$
    – Maurice
    Commented Feb 5, 2023 at 17:23
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    $\begingroup$ Consider ammonia borane is the limiting reagent in the balanced equation. Thant gives you the $n$ in $pV = nRT$. What you don't know is only $V$. $\endgroup$
    – Mathew Mahindaratne
    Commented Feb 5, 2023 at 17:24