Pb(NO3)2 (aq) +2 KI (aq) –> PbI2 (s) + 2 KNO3 (aq)
Mezclamos 25 ml 3M de KI CON 15 ml de una disolución 4M de Pb(NO3)2. Calcula la cantidad de precipitado amarillo que se obtendrá .
El reactivo limitante sera el KI ( demuestralo)

datos de masas atomicas ; Pb= 207,2 I =126,9

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.

Is there any options, for this