Jammie358
Jammie358
08-06-2015
Chemistry
contestada
Determine the mass of 6.44 ×1023 atoms Cl.
Respuesta :
seanjpowers1
seanjpowers1
08-06-2015
for 6.44 x 10^23 atoms:
That amount is 1.07 moles of Cl atoms
multiply the number of moles by the molar mass of Cl which is 35.45
That equals 37.9 grams of Cl. You only use 1 decimal place because there are only 3 significant digits.
Now if it is a text book problem that says chlorine gas, it may be referring to atmospheric Cl gas which is Cl2
In that case, its just 1.07 moles x 70.9 (molar mass of Cl2)
That turns out to be 75.9 g Cl2
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