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A solution contains 0.3 moles of solute A, 0.2 moles of B and 0.5 moles of C. What will be the mole fraction of A in the mixture?
  • a)
    0.3
  • b)
    0.2
  • c)
    0.5
  • d)
    1
Correct answer is option 'A'. Can you explain this answer?
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A solution contains 0.3 moles of solute A, 0.2 moles of B and 0.5 mole...
Explanation: Mole Fraction of A= Moles of A/Total moles
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A solution contains 0.3 moles of solute A, 0.2 moles of B and 0.5 mole...
Mole fraction is a way to express the concentration of a particular component in a mixture. It is defined as the ratio of the moles of a component to the total moles of all components in the mixture.

In this case, we are given the number of moles of solute A, B, and C in the solution. To calculate the mole fraction of A, we need to divide the number of moles of A by the total number of moles in the solution.

Let's calculate the total number of moles in the solution first:

Total moles = moles of A + moles of B + moles of C
Total moles = 0.3 + 0.2 + 0.5
Total moles = 1

Now, we can calculate the mole fraction of A:

Mole fraction of A = moles of A / total moles
Mole fraction of A = 0.3 / 1
Mole fraction of A = 0.3

Therefore, the mole fraction of A in the mixture is 0.3.
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A solution contains 0.3 moles of solute A, 0.2 moles of B and 0.5 moles of C. What will be the mole fraction of A in the mixture?a)0.3b)0.2c)0.5d)1Correct answer is option 'A'. Can you explain this answer?
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