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Two solution of a substance (non-electrolyte) are mixed in the following manner,480ml of 1.5M of first solution with 520 ml of 1.2m of second solution.The molarity of final solution is
  • 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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Molarity Calculation for Mixed Solutions


To calculate the molarity of the final solution, we need to consider the volumes and concentrations of the two initial solutions. Let's break down the calculation step by step.

Step 1: Calculate the amount of substance in each solution


The amount of substance can be calculated using the formula:
Amount of substance (in moles) = Concentration (in M) × Volume (in liters)

For the first solution:
Amount of substance in the first solution = 1.5 M × 0.480 L = 0.72 moles

For the second solution:
Amount of substance in the second solution = 1.2 M × 0.520 L = 0.624 moles

Step 2: Determine the total amount of substance in the final solution


To find the total amount of substance in the final solution, we simply add the amounts of substance from the two initial solutions:

Total amount of substance = Amount of substance in the first solution + Amount of substance in the second solution
= 0.72 moles + 0.624 moles
= 1.344 moles

Step 3: Calculate the final volume of the solution


The final volume of the solution is the sum of the volumes of the two initial solutions:

Final volume = Volume of the first solution + Volume of the second solution
= 480 mL + 520 mL
= 1000 mL
= 1 L

Step 4: Calculate the molarity of the final solution


The molarity of the final solution is given by the formula:
Molarity = Amount of substance (in moles) / Volume (in liters)

Molarity of the final solution = Total amount of substance / Final volume
= 1.344 moles / 1 L
= 1.344 M

Therefore, the molarity of the final solution is 1.344 M, which corresponds to option C.
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Two solution of a substance (non-electrolyte) are mixed in the following manner,480ml of 1.5M of first solution with 520 ml of 1.2m of second solution.The molarity of final solution isa)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 solution of a substance (non-electrolyte) are mixed in the following manner,480ml of 1.5M of first solution with 520 ml of 1.2m of second solution.The molarity of final solution isa)1.20 Mb)1.50 Mc)1.344 Md)2.70 MCorrect answer is option 'C'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Two solution of a substance (non-electrolyte) are mixed in the following manner,480ml of 1.5M of first solution with 520 ml of 1.2m of second solution.The molarity of final solution isa)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 Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two solution of a substance (non-electrolyte) are mixed in the following manner,480ml of 1.5M of first solution with 520 ml of 1.2m of second solution.The molarity of final solution isa)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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