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lethoa0207
2 năm trước
Để trung hòa hoàn toàn 100ml hỗn hợp X gồm HCl vs H2SO4 cần dùng 200 ml NaOH 0,3M . Cô cạn dung dịch sau khi trung hòa thu đc 4,01 gam hỗn hợp muối khan Tính nồng độ mol của mỗi axit trong hỗn hợp X
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Exercise 3 Write the following sentences into indirect speech. 1. She said, “I can’t find my umbrella” 🡪 …………………………………………………………………………………………………………………………………………………………………………………………… 2. They said, “We are learning English now” 🡪 3.“My friend is coming next week”, Tom said. 🡪 4.“ I’ll help my mum with housework this weekend” He said 🡪 5.“We shall overcome this difficulty”, they said 🡪 6.“ My father is a doctor here”, my friend said 🡪 7.“I am going on holiday tomorrow”, the boy said to his neighbor. 🡪 8.“ You will have to finish all these exercises before next week”, the teacher said to his students 🡪 9.“I came back here early yesterday,” she said. 🡪 10.“ I’ve broken the vase,” she said 🡪 11.“I will never see you again,” the boy said to the girl. 🡪 12. He said to her, “You are my friend.” 🡪 13.Johnny said to his mother, “I don’t know how to do this exercise.” 🡪 14.“We are waiting for the school bus”, said the children. 🡪 15.Marry said, “My father died a year ago”.

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