A student conducts the chemical reaction shown below and begins with 10. mL of 0.200 M Nal and 10. mL of 0.100 M Pb(NO3)2. Which of the following is true concerning the completed reaction? The initial molarity of nitrate, NO3 - , is 0.100 M
The final molarity of the lead II ion, Pb^ 2+, is less than the initial molarity
The initial and final molarity of the sodium ion changes from 0.200 M to 0.100 M
The initial and final molarity of the iodide ion, I -, is 0.200 M.