Respuesta :
Answer : The correct option is, (d) 68 g
Solution :
As we are given the solubility of KCl is 34 g/100 g water. Now we have to calculate the amount of KCl.
As, 100 grams of water contains 34 grams of KCl
So, 200 grams of water contains [tex]\frac{34g}{100g}\times 200g=68g[/tex] of KCl
Therefore, the maximum amount of KCl that can dissolve in 200 g of water is, 68 grams.
The ability of the solute like solid, liquid or gas to react with the solvent to form the solution is called solubility. It is affected by the temperature and the pressure.
68 g of [tex]\rm KCl[/tex] can be dissolved in the water.
How to calculate the amount of the [tex]\rm KCl[/tex] ?
Given,
- Amount of the water = 200 g
- Solubility of KCl = [tex]\rm 34 g/100 g[/tex]
- 100 g of water = 34 g [tex]\rm KCl[/tex]
If 100 gm of water contains 34 g [tex]\rm KCl[/tex] then 200 gm will contain,
[tex]\begin{aligned}&=\dfrac{34 \;\rm g}{100 \;\rm g} \times 200\;\rm g\\\\&= 68 \;\rm g\end{aligned}[/tex]
Therefore, option d is correct. The amount [tex]\rm KCl[/tex] that can dissolve in 200 g of water is 68 g.
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