CanOfFrijoles
CanOfFrijoles CanOfFrijoles
  • 18-01-2021
  • Chemistry
contestada

what is the mass of the of substance in a beaker that contains 19 moles of pbi2​

Respuesta :

quasarJose
quasarJose quasarJose
  • 18-01-2021

Answer:

8759g

Explanation:

Given parameters:

Number of moles  = 19moles

Unknown:

Mass of PbI₂  = ?

Solution:

To solve this problem, we first find the molar mass of PbI₂;

   Molar mass of PbI₂   = 207.2 + 2(126.9) = 461g/mol

 Mass of  PbI₂ = number of moles x molar mass  = 19 x 461

                       = 8759g

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