Molarity of lead ( II ) ion in the original solution if 38.5 mL of lead ( II ) nitrate solution reacts completely with excess sodium iodide solution to yield 0.628 g of precipitate is to be calculated. Concept introduction: Precipitation reaction involves the reaction of two soluble ionic compounds to form an insoluble product. The insoluble product is known as a precipitate. The reason for the precipitation reaction to occur is the formation of a product that is insoluble in nature. The reaction of lead ( II ) nitrate and sodium iodide is an example of precipitation reaction. Pb ( NO 3 ) 2 ( a q ) + 2 NaI ( a q ) → PbI 2 ( s ) + 2 NaNO 3 ( a q ) According to the solubility rules, all the common nitrates are soluble but PbI 2 is insoluble in nature.
Molarity of lead ( II ) ion in the original solution if 38.5 mL of lead ( II ) nitrate solution reacts completely with excess sodium iodide solution to yield 0.628 g of precipitate is to be calculated. Concept introduction: Precipitation reaction involves the reaction of two soluble ionic compounds to form an insoluble product. The insoluble product is known as a precipitate. The reason for the precipitation reaction to occur is the formation of a product that is insoluble in nature. The reaction of lead ( II ) nitrate and sodium iodide is an example of precipitation reaction. Pb ( NO 3 ) 2 ( a q ) + 2 NaI ( a q ) → PbI 2 ( s ) + 2 NaNO 3 ( a q ) According to the solubility rules, all the common nitrates are soluble but PbI 2 is insoluble in nature.
Molarity of lead(II) ion in the original solution if 38.5 mL of lead(II)nitrate solution reacts completely with excess sodium iodide solution to yield 0.628 g of precipitate is to be calculated.
Concept introduction:
Precipitation reaction involves the reaction of two soluble ionic compounds to form an insoluble product. The insoluble product is known as a precipitate.
The reason for the precipitation reaction to occur is the formation of a product that is insoluble in nature. The reaction of lead(II)nitrate and sodium iodide is an example of precipitation reaction.
Pb(NO3)2(aq)+2NaI(aq)→PbI2(s)+2NaNO3(aq)
According to the solubility rules, all the common nitrates are soluble but PbI2 is insoluble in nature.
16. Consider the probability distribution p(x) = ax", 0 ≤ x ≤ 1 for a positive integer n.
A. Derive an expression for the constant a, to normalize p(x).
B. Compute the average (x) as a function of n.
C. Compute σ2 = (x²) - (x)², the variance of x, as a function of n.
451. Use the diffusion model from lecture that showed the likelihood of mixing occurring in a
lattice model with eight lattice sites:
Case
Left
Right
A
B
C
Permeable Barrier →
and show that with 2V lattice sites on each side of the permeable barrier and a total of 2V white
particles and 2V black particles, that perfect de-mixing (all one color on each side of the barrier)
becomes increasingly unlikely as V increases.