A syringe contains 0.65 moles of he gas that occupy 900.0 ml. what volume (in l) of gas will the syringe hold if 0.35 moles of ne is added?

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Zaire

Chemistry

16 October, 18:12

A syringe contains 0.65 moles of he gas that occupy 900.0 ml. what volume (in l) of gas will the syringe hold if 0.35 moles of ne is added?

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Chris Cruz · Answer 1

PV=nRT = a universal constant For any condition P1V1/n1T1=R and P2V2/n2T2=R i. e P1V1/n1T1=P2V2/n2T2 Becomes V1/n1=V2/n2 rearranging and solving V2=V1X (n2/n1) = 750 mLx ((0.65+0.35) / (0.65)) = 1200ml=1.2L ... 2 sig figs