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hoacatla_kid76
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1 hon hop khi gom 1ankan vá anken co cung so nguyen tu C trongphan tu vua du lam mat mau 80g dung dich brom 20% khi dot chay hoan toan hon hop do tao ra 13.44 lit C02. xac dinh ctct cua 2 chat tren va D so voi khong khi