Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I
a)
at what concentration of Ag will AgI precipitating?
at what concentration of Ag will AgCl precipitating?
at what concentration of Ag will AgBr precipitating?
b)
calculate the percent % of I ppt before reaching of AgBr?
calculate the percent % of Br ppt before reaching of AgCl?
To determine at what concentration of Ag precipitating compounds will form, you need to consider the solubility product constant (Ksp) of each compound.
a)
1. AgI: The balanced equation for the reaction is: AgNO3 + KI -> AgI + KNO3
The Ksp expression for AgI is: [Ag+][I-] = Ksp
Since the concentration of I- is already given (0.001 M), you can calculate the concentration of Ag+ at which AgI will precipitate by rearranging the equation: [Ag+] = Ksp / [I-]
2. AgCl: The balanced equation for the reaction is: AgNO3 + KCl -> AgCl + KNO3
The Ksp expression for AgCl is: [Ag+][Cl-] = Ksp
Since the concentration of Cl- is already given (0.001 M), you can calculate the concentration of Ag+ at which AgCl will precipitate by rearranging the equation: [Ag+] = Ksp / [Cl-]
3. AgBr: The balanced equation for the reaction is: AgNO3 + KBr -> AgBr + KNO3
The Ksp expression for AgBr is: [Ag+][Br-] = Ksp
Since the concentration of Br- is already given (0.001 M), you can calculate the concentration of Ag+ at which AgBr will precipitate by rearranging the equation: [Ag+] = Ksp / [Br-]
b)
To calculate the percentage of I- precipitated before reaching the concentration of AgBr at which it precipitates, you need to consider the initial concentration of I- and the concentration of Ag+ at which AgBr will form.
To calculate the percentage, you can use the equation: (Concentration of I- precipitated / Initial concentration of I-) * 100.
Similarly, to calculate the percentage of Br- precipitated before reaching the concentration of AgCl at which it precipitates, you use the equation: (Concentration of Br- precipitated / Initial concentration of Br-) * 100.
Note: The solubility product constant (Ksp) values for AgI, AgCl, and AgBr will need to be provided to calculate the exact precipitation concentrations and percentages.