Respuesta :

Willchemistry
Molar mass KI = 166.0028 g/mol   and Pbl₂ = 461.0089 g/mol

2 Kl + Pb(NO₃)₂ ------> 2 KNO₃ + Pbl₂

2 x 166.0028 g ---------> 461.0089 g
           ? g KI -------------> 1.2 g

Mass KI = 1.2 x 2 x 166.0028 / 461.0089

Mass KI = 398.40672 / 461.0089

Mass KI = 0.86 g

hope this helps!


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