1) Grams of lead.
Convert grams of lead (II) nitride to moles of lead (II) nitride
[tex]molofPb_3N_2=33.1gPb_3N_2\cdot\frac{1molPb_3N_2}{649.61gPb_3N_2}=0.0509lofPb_3N_2[/tex]Convert moles of lead (II) nitride into moles of Pb
[tex]\text{molesofPb}=0.0509molPb_3N_2\cdot\frac{3\text{molPb}}{1molPb_3N_2}=0.1527\text{molPb}[/tex]Convert moles of Pb into grams of Pb
[tex]\text{gofPb}=0.1527\text{molPb}\cdot\frac{207.2\text{ g Pb}}{1\text{molPb}}=31.64\text{ g Pb}[/tex]There is 31.64 g of ions of lead in the sample of paint.
