In a solution of 1 mol of solute in 9 mol of solvent, what is the mole fraction

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Question: In a solution of 1 mol of solute in 9 mol of solvent, what is the mole fraction of the solute?

Options:

Correct Answer: 0.1

Solution:

Mole fraction of solute = moles of solute / (moles of solute + moles of solvent) = 1 / (1 + 9) = 0.1.

In a solution of 1 mol of solute in 9 mol of solvent, what is the mole fraction of the solute?

In a solution of 1 mol of solute in 9 mol of solvent, what is the mole fraction of the solute?

Step 1: Identify the number of moles of solute. In this case, there is 1 mole of solute.
Step 2: Identify the number of moles of solvent. In this case, there are 9 moles of solvent.
Step 3: Calculate the total number of moles in the solution by adding the moles of solute and moles of solvent together: 1 + 9 = 10 moles.
Step 4: Calculate the mole fraction of the solute using the formula: mole fraction of solute = moles of solute / total moles.
Step 5: Substitute the values into the formula: mole fraction of solute = 1 / 10.
Step 6: Simplify the fraction: 1 / 10 = 0.1.

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