CUO udaăź112 – InterviewSolution

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1.

CUO udaăź112

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molar mass of N2O is = (14+14+16) = 44gm

so, moles of N2O in 90kg is = 90*1000/44 ≈ 2045 moles

so moles of oxygen will be also 2045..and therefore mass of oxygen is 2045*(16g)/1000 = 32.72kg

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