State mass fraction is related to mole fraction

Reference no: EM13183660

Show that the ammonium ion NH4+, 1ppb(mole fraction) is equivalent to 0.56 ppb (mass fraction) or .74 ugm-3 at T=298 and 1 atm.

Start by solving for mass concentration

Note that mass fraction is related to mole fraction as

mass fraction= (Mi/Mtotal) * mole fraction

Mtotal = 28.96e-3 kgmol-

Reference no: EM13183660

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