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JEE Main 2022 Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main 2022

Chlorophyll extracted from the crushed green leaves was dissolved in water to make 2 L solution of Mg of concentration 48 ppm. The number of atoms of Mg in this solution is atoms. The value of x is . (Nearest integer) (Given : Atomic mass of Mg is 24 g ; = )

Answer: 24

Solution

A concentration of 48 ppm means 48 mg of Mg per litre, so 2 L contains 96 mg. The number of atoms = $(96 ×

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Question ID VK-025154