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JEE Main 2022 Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main 2022

CNG is an important transportation fuel. When 100 g CNG is mixed with 208 g oxygen in vehicles, it leads to formation of and and produced large quantity of heat during this combustion, then the amount of carbon dioxide, produced in grams is . [nearest integer] [Assume CNG to be methane]

Answer: 143

Solution

. The moles of are 100/16 = 6.25 and of are 208/32 = 6.5, so

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Question ID VK-025244