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The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution?
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The mole fraction of water in an aqueous solution of H2SO4 is 0.6. Wha...
Molality of Aqueous Solution of H2SO4
Given:
Mole fraction of water (H2O) = 0.6
Mole fraction of H2SO4 can be calculated as:
Mole fraction of H2SO4 = 1 - Mole fraction of water = 1 - 0.6 = 0.4
Calculating Molality:
- First, we need to find the moles of water and H2SO4 in the solution.
- Let's assume we have 1 mole of the solution for ease of calculation.
- Since the mole fraction of water is 0.6, the moles of water = 0.6 moles
- Similarly, moles of H2SO4 = 0.4 moles
- Next, we calculate the mass of water and H2SO4 using their respective molar masses.
- Finally, we use the formula for molality:
Molality (m) = moles of solute / mass of solvent (kg)
Assuming:
Molar mass of water (H2O) = 18 g/mol
Molar mass of H2SO4 = 98 g/mol
Mass of 1 mole of the solution = 18g (from water) + 98g (from H2SO4) = 116g
Thus, the mass of 1 mole of the solution = 0.116 kg
Substitute the values:
- For water: moles = 0.6, mass = 0.6 x 18g = 10.8g = 0.0108 kg
- For H2SO4: moles = 0.4, mass = 0.4 x 98g = 39.2g = 0.0392 kg
Now, calculate molality:
Molality = (0.6 / 0.0108) + (0.4 / 0.0392) = 55.56 + 10.2 = 65.76 m
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The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution?
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The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution?.
The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mole fraction of water in an aqueous solution of H2SO4 is 0.6. What is the molality of the solution?.
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