Determine the molar concentration of the lead(II) ion in a 26.0 ppb aqueous solution of lead(II) nitrate [Pb(NO3) 2, 331.22 g/mol].Assume that the density of the solution is 0.998 g/mL.
A) 7.85 *10-8 M
B) 2.60 *10-8 M
C) 7.85 *10-11 M
D) 7.83 *10-8 M
E) 3.92 *10-8 M
Correct Answer:
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