136. Solving a chemistry problem
- Price in currencies:
- 1.16 $ · 111 RUB · 0.99 €
- Category:
- Coursework
- Item:
- 21.rar (7.6 KB)
- Uploaded:
- 22.05.2022 18:18:33
- Sales:
- 0
- Refunds:
- 0
- Seller:
- Derkach · about the seller and their products
DESCRIPTION
136. Solving a chemistry problem
21. Calculate the molar concentration of potassium cyanide, which must be created in a solution of 0.001 M (NH4) 2 [Cu (CN) 4], so that CuS does not precipitate in the presence of sulfide ions with a concentration of 10-5 mol / l in this solution
K nest [Cu(CN)4]2-=4.9*10-31
PR(CuS)=4*10-38
Additional information:
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
REVIEWS
Reviews: (0)
No customer reviews yet.