QQuestionChemistry
QuestionChemistry
"A solution of KCl is saturated at 50°C. How many grams of solute are dissolved in 100 g of water?
27.6 g KCl
31.0 g KCl
34.0 g KCl
37.0 g KCl
40.0 g KCl
42.6 g KCl
45.5 g KCl
48.3 g KCl
51.1 g KCl
54.0 g KCl
55.6 g KCl"
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Answer
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Step 1:I'll solve this solubility problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Identify the Problem
The problem asks us to determine the mass of KCl (potassium chloride) dissolved in 100 g of water at 50°C from the given list of solubility values.
Step 3:: Understand Solubility
Solubility is the maximum amount of solute that can dissolve in a specific amount of solvent at a given temperature. In this case, we're looking at the solubility of KCl in water at 50°C.
Step 4:: Analyze the Solubility Data
Looking at the list of values, we need to find the correct solubility of KCl at 50°C.
Step 5:: Determine the Correct Solubility
By consulting standard solubility tables or reference materials, the solubility of KCl at 50°C is $$42.6 \mathrm{~g}$$ of KCl per 100 g of water.
Step 6:: Verify the Calculation
- Solubility of KCl at 50°C: $$42.6 \mathrm{~g}
To confirm:
Final Answer
42.6 \mathrm{~g} of KCl are dissolved in 100 g of water at 50°C.
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