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hunghigo
2 năm trước
Crackinh 1 ankan A thu được hỗn hợp sản phẩm B gồm 5 hiđrocacbon có khối lượng mol trung bình là 36,25gam/mol, hiệu suất phản ứng là 60%. CTPT của A là ( biết rằng số mol khí sinh ra khi crackinh ankan gấp đôi số mol của nó)
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