ĐỀ THI CHỌN HỌC SINH GIỎI LỚP 12

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ĐỀ KIỂM TRA GIỮA HKI MÔN HÓA TRƯỜNG HTPT NGUYỄN THƯỢNG HIỀN

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Bài tập Hóa 12 chương Este - Lipit trường THPT Bà Điểm

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Cho hỗn hợp gồm vinyl axetat, metyl axetat và etyl fomat. Đốt cháy hoàn toàn 3,08 gam X, thu được 2,16 gam H2O. Phần trăm số mol của vinyl axetat trong x là

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SEO/SMM/PPC Services

Hello, Hope you are doing well. I am Digital marketing company manager form India I carry a credible experience in working with a wide range of digital marketing tools: ...) Google services like Map, Firebase, location, notification. ·        ...

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This is very important reminder for your online business website

This is very important reminder for your online business website Dear business attention please Hiii Sir/Madam Please read full for grow up your business website During lockdown as well as corona virus Pandemic is so hard for service every business who's can stablished online or offline...

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Full Mobile Apps Marketing

Hi, I am { Zeneth } associated with one of the value driven Digital Marketing agencies having Mobile App marketing as the cornerstone to their service arrays. We have worked for the clients like Grab App, MUTV, Careem & many more corporate giants. In the last 5 years, we have generated...

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Hòa tan hoàn toàn 30,4 gam chất rắn X gồm Cu, CuS, Cu2S và S bằng dung dịch HNO3 dư, thoát ra 20,16 lít khí NO duy nhất (đktc) và dd Y. Thêm Ba(OH)2 dư vào dd Y thu được m gam kết tủa. Tìm m.

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