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huynhxum999
2 năm trước
4/ Cho 16g CuO tác dụng với 200g dd H2SO4 20% a/ Viết các PTHH xảy ra b/ Tính nồng độ phần trăm của các dd sau phản ứng giúp mk nhanh với ạ
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Các câu hỏi liên quan

• Give the correct word form • I saw your school’s ___________________ in those magazines. (advertise) • You shouldn’t end the letter so ___________________. (polite) • We would like to see your ___________________ in English. (improve) • Nam is one of top ten ___________________ in our English speaking contest. (examine) • My brother works for those magazines. He is a ___________________. (edit) • Give the correct verb form • We ___________ her since she ____________ her school. (not see – leave) • If the kitchen ___________ in the mess, you should ____________ it. (be – clean) • She told me that she ______________ her old car the following day. (sale) • You are driving very fast. I wish you ________________ so fast. (drive) • Mai and Phuong ________________ here since yesterday. (come) • If her mother ______________ home early, she can cook the meal. (return) • Many students in Nam’s school want ______________ a doctor in the future. (be) • Would you mind _____________ me with this work. (help) • He ______________ the road when I saw him yesterday. (cross) • In 18th century, jean cloth _______________ completely from cotton. (make)

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