chemistry

1)
15 moles of Ne
10 moles of N2
Enter the mass percent of Ne
MM[Ne]=20.18 g/mol, MM[N2]=28.01 g/mol

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asked by bubble
  1. mass Ne = 15 moles x molar mass Ne = ??
    mass N2 = 10 moles x molar mass N2 = ??
    total mass = mass Ne + mass N2.

    %Ne = (mass Ne/total mass)*100 = ??
    %N2 = (mass N2/total mass)*100 = ??

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