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Topic: Making a copper sulfate pentahydrate solution  (Read 657 times)

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Offline floater47

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Making a copper sulfate pentahydrate solution
« on: March 15, 2022, 11:22:33 PM »
How should I make my own solution?
My target/ideal volume of the solvent is 500mL. And maybe 7 grams of CuSO4 5H2O.
What should the solution's concentration be?
What are the things/info that I need to be mindful of?

Offline Orcio_87

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Re: Making a copper sulfate pentahydrate solution
« Reply #1 on: March 16, 2022, 01:25:25 PM »
To calculate mass concentration you need to divide mass of the compound by mass of the solution (compound + solvent)

To calculate molar concentration - quantity of compound by volume of the solution.
« Last Edit: March 16, 2022, 02:30:32 PM by Orcio_87 »

Online billnotgatez

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Re: Making a copper sulfate pentahydrate solution
« Reply #2 on: March 20, 2022, 06:52:59 AM »
Just a FYI

from WIKI search on copper sulfate pentahydrate


Copper(II) sulfate
https://en.wikipedia.org/wiki/Copper(II)_sulfate

IUPAC name
   Copper(II) sulfate
Other names
   Cupric sulphate
   Blue vitriol (pentahydrate)
   Bluestone (pentahydrate)
   Bonattite (trihydrate mineral)
   Boothite (heptahydrate mineral)
   Chalcanthite (pentahydrate mineral)
   Chalcocyanite (mineral) Copper Sulphate pentahydrate
Identifiers
CAS Number   
   7758-98-7 (anhydrous) check
   7758-99-8 (pentahydrate) check
   16448-28-5 (trihydrate) ☒
   19086-18-1 (heptahydrate) ☒
Chemical formula
   CuSO4 (anhydrous)
   CuSO4·5H2O (pentahydrate)
Molar mass
   159.60 g/mol (anhydrous)[1]
   249.685 g/mol (pentahydrate)[1]
Appearance   
   gray-white (anhydrous)
   blue (pentahydrate)
Density   
   3.60 g/cm3 (anhydrous)[1]
   2.286 g/cm3 (pentahydrate)[1]
Melting point   
   110 °C (230 °F; 383 K) decomposes
   560 °C decomposes[1](pentahydrate (·5H2O))
   Fully decomposes at 590 °C (anhydrous)

Boiling point   
   decomposes to cupric oxide at 650 °C
Solubility in water
   1.055 molal (10 °C)
   1.26 molal (20 °C)
   1.502 molal (30 °C)[2]
Solubility   
   anhydrous
      insoluble in ethanol[1]
   pentahydrate
     soluble in methanol[1]
       10.4 g/L (18 °C)
     insoluble in ethanol
     insoluble in acetone


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