HannahB2001 HannahB2001

12-11-2016
Chemistry

contestada

How many atoms of phosphorus are in a 0.859 g sample?
Answer in units of atoms.

Respuesta :

AhmatFirz AhmatFirz

17-11-2016

Moles = Mass(g) / ar
Moles of phosphorus = 0.859 / 31
= 0.0277096774

1 mole = 6.02 × 10^23

Atoms of phosphorus = 0.0277096774 × 6.02×10^23
=ans.

sorry i cant do the calculation. I dont have a calculator with me.

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