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Question

Calculate Molarity of a solution having 2.6×103 mole solute dissolved in 250 ml solution.

A

0.0104 M

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B

2.6 M

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C

0.026 M

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D

0.104 M

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Solution

The correct option is A

0.0104 M


We know that,
Molarity = No. of molesNo. of litres of solution

Number of moles of the solute is equal to 2.6×103
No. of litres of solution = 250×103=0.25 litres
Molarity =2.6×1030.25=0.0104 M

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