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JEE Main 2020 Chemistry question

ChemistrySolutionsJEE Main 2020

If 250 of an aqueous solution containing 0.73 g of a protein A is isotonic with one litre of another aqueous solution containing 1.65 g of a protein B. at 298 K, the ratio of the molecular masses of A and B is .................... (to the nearest integer).

Answer: 177

Solution

The source stem prints 1.66 g for protein B, but the paper's key and solution use 1.65 g

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Question ID VK-011102