All Questions
4
questions
1
vote
1
answer
2k
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Do we consider the dissociation of water when dealing with ion concentrations of a solution?
One mole of hydrated copper(II) sulfate, $\ce{CuSO4 . 5 H2O},$ is dissolved in water. How many moles of ions does the solution contain?
1) 1
2) 2
3) 6
4) 7
The correct answer is 2. Specifically, I'm ...
- 39
1
vote
1
answer
585
views
Calculating weight of soluble salt in a solution
I got a solution which density is $\pu{1.035 g mL-1}$ and it contains soluble salt $\ce{Ba(NO3)2}$ at concentration of $\pu{0.250 M}$. The teacher is asking from me to "clear" the solution from the $\...
- 305
1
vote
1
answer
2k
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How to calculate ion concentrations for a precipitation from the solubility product constant? [closed]
The equilibrium constant for dissolving the insoluble substance gold (I) iodide, AuI (s), in aqueous
solution is 1.6 × 10^-23
at 25ºC. Write the equilibrium constant expression and calculate the ...
- 75
4
votes
2
answers
20k
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CuCl2 dissolved in water
We dissolve $10\ \mathrm{g}$ of $\ce{CuCl2}$ in $0.1\ \mathrm{L}$ of water.
Given that:
$M(\ce{Cl})=35.5\ \mathrm{g/mol}$
$M(\ce{Cu})=63.5\ \mathrm{g/mol}$
How can one calculate the molar ...
- 151