4.5 g of compound A (MW = 90) was used to make 250 mL of it…

Chemistry Some Basic Concepts of Chemistry JEE Main 2021-Mole Concept Numeric Response

Published on: August 13, 2026

4.5 g of compound A (MW = 90) was used to make 250 mL of its aqueous solution. The molarity of the solution in M is . The value of x is ____. (Rounded off to the nearest integer)

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The correct answer is:

(2)

So correct value of

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