charliemalone
charliemalone
04-06-2017
Chemistry
contestada
How many atoms are there in 23g of Na
Respuesta :
Аноним
Аноним
04-06-2017
Avogadro's number is 6.02
x
1023 atoms
. So,
6.02
x
1023 atoms
of sodium would have a mass of 23 g (sodium's relative atomic mass).
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JavierCollante
JavierCollante
04-06-2017
conversions to use:
1 mol= 6.02 x 10²³ atoms
we need the molar mass of Na which can be found in the periodic table--> 23.0 g/mol
[tex]23 g Na \frac{1 mol}{23.0 g} x \frac{6.02 x 10^{23} atoms}{1 mol} = 6.02 x 10^{23} atoms [/tex]
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