Bài 2: hòa tan hoàn toàn a gam kim loại M chưa biết hóa trị vào dd HCl 3,65% . Sau phản ứng thu được d d muối có nồng độ 6,18%. ( biện luận hóa trị của kim loại thường từ 1 đến 3).

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. Use the given words to write the complete conditional sentences type 2. 1. If/I/ be/ you/I/ eat/ more vegetable. ____________________________________________________________________ 2. More/ foreign tourist/ come/ here/ if/ environment/ clean. ____________________________________________________________________ 3. What/ happen/ if/ there/ be/ no woman/ world? ____________________________________________________ 4. If/I/ be/ his father/I/ ask/ him/ learn English/ better. ____________________________________________________________________ 5. If/ there/ be/ no war/ earth/ people/ live/ peace/ forever. ____________________________________________________________________ 6. Flood/ not happen/ so regularly/ if/ people/ not cut down/ so many/ tree. ____________________________________________________________________ 7. If/ they/ tell/ their father/ he/ be/ very angry. ____________________________________________________________________ 8. She/ spend/ a year/ USA/ if/ it/ be/ easy/ get/ green card. ____________________________________________________________________ 9. If/I/ live/ lonely island/I/ be/ very sad all day. ____________________________________________________________________ 10. My brother/ buy/ sport car/ if/ he/ have/ money. ____________________________________________________________________ II. Finish each of the following sentences so that its meaning stays the same. 1. Richard is too young to see the horror film. → Richard is not _________________________________________________ 2. Remember to turn off the fan before leaving the room. → Don't ________________________________________________________ 3. That man is very intelligent. → What ________________________________________________________ 4. I intended to come over to pick you up. → I was ________________________________________________________ 5. My sister's hair is long and black. → My sister has __________________________________________________ 6. The supermarket is near Trung's house. → The supermarket isn't ___________________________________________ 7. Alexander G. Bell invented the telephone in 1876. → Alexander G. Bell was __________________________________________ 8. I'll phone you tomorrow morning. → I’ll give ______________________________________________________ 9. How about going to the theatre tonight. → Let's _________________________________________________________ 10. She lived on a farm once, but she doesn't any more. → She used______________________________________________________