Question #dab18

1 Answer
Munu · Jumbotron
Jan 31, 2018

Mass of #1# mole of #Cr# is #51.996 g.#

Mass of #1.002 mol# of #Cr# is;

#= 51.996gcancel(mol^-1) xx 1.002cancel(mol)#

#= 52.099 g#

Similarly,

Mass of #1# mole of #Ne# is #20.179 g.#

Mass of #4.08 xx 10^-8 mol# of #Ne# is;

#= 20.179gcancel(mol^-1) xx 4.08 xx 10^-8cancel(mol)#

#= 8.233 xx 10^-7 g#

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