Respuesta :

skytimex2012
1340 is the answer I think

Answer:

1341.1737 gm in 4.05 moles

Explanation:

From periodic table

  mole weight pb = 207.2  gm

                         N   14.007      *2 = 28.014 g,

                          O  15.99        *6 = 95.94  gm

total= 331.154 gm per mole     * 4.05 moles =

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