• Support PF! Buy your school textbooks, materials and every day products Here!

Precipitation calculations

  • Thread starter proskier
  • Start date
  • #1
7
0
Help please!

Here's the question I'm having problems with:

The solubility product of calcium hydroxide, Ca(OH)2, is 7.9 x 10^-6 at 25 degrees celcius. Will a precipitate form when 100mL of 0.10 mol/L of CaCl2 solution and 50.0 mL of 0.070 mol/L of NaOH solution are combined?


Do I need to find the solubility product for CaCl2 and NaOH before I can determine if a precipitate will form when they're added to Ca(OH)2. Any help will be greatful. I don't even know if I'm on the right track or not.

Thanks
 

Answers and Replies

  • #2
chemisttree
Science Advisor
Homework Helper
Gold Member
3,080
61
Help please!

Here's the question I'm having problems with:

The solubility product of calcium hydroxide, Ca(OH)2, is 7.9 x 10^-6 at 25 degrees celcius. Will a precipitate form when 100mL of 0.10 mol/L of CaCl2 solution and 50.0 mL of 0.070 mol/L of NaOH solution are combined?


Do I need to find the solubility product for CaCl2 and NaOH before I can determine if a precipitate will form when they're added to Ca(OH)2. Any help will be greatful. I don't even know if I'm on the right track or not.

Thanks

Assume that CaCl2 and NaOH are both soluble at the specified concentrations.
 

Related Threads for: Precipitation calculations

  • Last Post
Replies
1
Views
16K
Replies
9
Views
21K
Replies
1
Views
2K
  • Last Post
Replies
1
Views
12K
  • Last Post
Replies
10
Views
5K
  • Last Post
Replies
0
Views
5K
  • Last Post
Replies
4
Views
2K
  • Last Post
Replies
3
Views
1K
Top