Chemistry Practice Problems Selective Precipitation Practice Problems Solution: What mass of Ca(NO3)2 must be added to 1.0 L of a ...

⚠️Our tutors found the solution shown to be helpful for the problem you're searching for. We don't have the exact solution yet.

Solution: What mass of Ca(NO3)2 must be added to 1.0 L of a 1.0-M HF solution to begin precipitation of CaF2(s)? For CaF2, Ksp = 4.0 X 10 -11 and Ka for HF = 7.2 X 10 -4. Assume no volume change on addition of Ca(NO3)2(s).

Problem

What mass of Ca(NO3)2 must be added to 1.0 L of a 1.0-M HF solution to begin precipitation of CaF2(s)? For CaF2, Ksp = 4.0 X 10 -11 and Ka for HF = 7.2 X 10 -4. Assume no volume change on addition of Ca(NO3)2(s).

Additional Practice Problems

Selective Precipitation

Selective Precipitation

Q. Does any solid Ba(IO3)2 form when 7.5 mg of BaCl2 is dissolved in 500. mL of 0.023 M NaIO3?

Solved • Wed Nov 21 2018 12:15:03 GMT-0500 (EST)

Selective Precipitation

Q. Does any solid PbCl2 form when 3.5 mg of NaCl is dissolved in 0.250 L of 0.12 M Pb(NO3)2?

Solved • Wed Nov 21 2018 12:13:13 GMT-0500 (EST)

Selective Precipitation

Q. Does any solid Cu(OH)2 form when 0.075 g of KOH is dissolved in 1.0 L of 1.0×10−3 M Cu(NO3)2?

Solved • Wed Nov 21 2018 12:12:30 GMT-0500 (EST)