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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

Disilane (SiH) is analysed and found to contain 90.28% silicon by weight. What is the value of ? (Si = 28)

Answer: 6

Solution

Mass of Si per mole . Since this is 90.28% of the total molar mass,

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Question ID VK-130691