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Calculate the number of moles equivalent to 5.4 x 1023 atoms of helium. Note: Be sure to use the correct number of significan
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Numben 0f He atom 5.4xl023 ctoms 23 6.022 X lo 1 male atom atom Pnole 6.022 x lo .4xlo ctom 23 x S.4 x1o moo 6.022x10 0.9 mol

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