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ID: 482302 • Letter: U

Question

udy I Guided x KCChegg Study I Guided so x Uided X C Chegg Study x biscms/mod/ibis/view.php?id 3102368 EA saping Learning A flexible container at an initial volume of 4.11 L contains 4.51 mol of gas. More gas is then added to the container until it reaches a final volume of 12.5 L Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container. mol ne Previous Check Answer 0 Next a Hint about us careers partners privacy policy terms of use contact us help

Explanation / Answer

According to Avogadro law at constant temperature and pressure the volume occupied by gas molecules is proportional to the moles of gas.

4.51 moles of gas occupy 4.11 L.

So 12.5 L would be occupied by (4.51/4.11)×12.5=13.7 moles

Moles of gas added=13.7-4.51=9.2L