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Two solutions of a substance are mixed in the following manner: 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?
  • a)
    1.20 M
  • b)
    1.50 M
  • c)
    1.344 M
  • d)
    2.70 M
Correct answer is option 'C'. Can you explain this answer?
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Calculating the molarity of the final mixture:

Step 1: Calculate the moles of solute in each solution
- Moles of solute in the first solution = Volume (in L) x Molarity = 0.480 L x 1.5 mol/L = 0.72 mol
- Moles of solute in the second solution = Volume (in L) x Molarity = 0.520 L x 1.2 mol/L = 0.624 mol

Step 2: Calculate the total moles of solute in the final mixture
- Total moles of solute = Moles from first solution + Moles from second solution = 0.72 mol + 0.624 mol = 1.344 mol

Step 3: Calculate the total volume of the final mixture
- Total volume of the final mixture = Volume of first solution + Volume of second solution = 480 mL + 520 mL = 1000 mL = 1 L

Step 4: Calculate the molarity of the final mixture
- Molarity of the final mixture = Total moles of solute / Total volume of the final mixture
- Molarity = 1.344 mol / 1 L = 1.344 M
Therefore, the molarity of the final mixture is 1.344 M, which is closest to option C.
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Two solutions of a substance are mixed in the following manner: 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?a)1.20 Mb)1.50 Mc)1.344 Md)2.70 MCorrect answer is option 'C'. Can you explain this answer?
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Two solutions of a substance are mixed in the following manner: 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?a)1.20 Mb)1.50 Mc)1.344 Md)2.70 MCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two solutions of a substance are mixed in the following manner: 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?a)1.20 Mb)1.50 Mc)1.344 Md)2.70 MCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two solutions of a substance are mixed in the following manner: 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?a)1.20 Mb)1.50 Mc)1.344 Md)2.70 MCorrect answer is option 'C'. Can you explain this answer?.
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