linds3401
linds3401 linds3401
  • 19-02-2020
  • Chemistry
contestada

will give branliest!
10 points!
- a student has 872g if Pb. how many moles of Pb is this?

Respuesta :

jaseanbrandon11
jaseanbrandon11 jaseanbrandon11
  • 19-02-2020
That would be 10 moles
Answer Link
mihovilfaletar94
mihovilfaletar94 mihovilfaletar94
  • 19-02-2020

Answer:

The answer is 4,2 moles.

Explanation:

n(Pb) = m(Pb) / Ar(Pb, you can see it in periodic table of elements)

= 872 g / 207,2 g moles⁻¹

= 4,2 moles

Answer Link

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