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lengocanhshara
2 năm trước
Từ dung dịch NaCL 29,25% nước cất và những dụng cụ cần thiết, hãy tính toán giới thiệu cách lha chế 400 ml dung dịch NaCL với nồng độ 0,5 M
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Các câu hỏi liên quan

BÀI TẬP 1 : Viết lại câu không thay đổi nghĩa : 1 ) Because there was a big storm , I stayed at home ⇒ Because of 2 ) Tom was admitted to the university although his grades were bad ⇒ Despite 3 ) Although she has a physical handicap , she has become a successful woman ⇒ Despite 4 ) In spite of his good salary , Tom gave up his job ⇒ Although 5 ) Though he had not finished the paper , he went to sleep ⇒ In spite of 6 ) In spite of the high prices , my daughter insists on going to the movies ⇒ Even though 7 ) Many people began to wearing jeans because they were cheap ⇒ Because of 8 ) Since he was careless , Tom lost the game ⇒ Because of 9 ) Although she behaves well , no one loves her ⇒ Despite 10 ) Because of the cold weather , the crops are late this year ⇒ Because 11 ) Mary was worried because Tom was late ⇒ Because of 12 ) Tom walked slowly because his leg was bad ⇒ Because of 13 ) I came here because I want the English course ⇒ Because of 14 ) I went to school although it was hot ⇒ Despite 15 ) Because the dust in the room , I can't go in ⇒ Because of 16 ) Because of too much smoke , we have to wear masks ⇒ Because Nhanh nhé mik sắp phải nộp rồi !

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