Tính C% dung dịch thu được trong các trường hợp: a) Hòa tan 160g SO3 vào 240 ml H2O b) Hòa tan 46g Na vào 250 ml H2O

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The capital of Malaysia is A)Bang Kok B) Kuala Lumpur C)Yongon D)Phnopenh 2) my mother only wears ao dai ...... Special occasions A) at B) in C) on D) with 3) after two hours traveling by bus ,they..... The big old banyan tree A) arrived B) got C)went D) reached 4) when he was your age, he..... Walk 5 kilometres to school every morning A) use to B)used to C) be used to D) used 5) he........ In Los Angeles for many years A) lives B) is living C) lived D) has lived 6) she askd me where I ..... From A) come B) came C) to come D) coming 7) .....uncle Ho's masoleum A)have you ever been B) did you ever visited C) have you ever visited D) did you ever been 8) this library....20 years ago A)_is built B) built C) was Made D)_was.built 9) Churches temples and pagodas are places of..... A) gossip B) warship C) worship D) friendship 10) english.... Widely.....in this country nowadays A) is/ speaking B) is/ spoken C) was / spoken D) is/ spoke 11) he'll show the photos he has taken...... His parents A) for B)_with C) from D)to 12) Idon't like using the Internet because it has some.... A) benefits B) advantages C) limitations D) disadvantage 13) you should watch the news every day.It's very........ A) informative B) time-consuming C) costly D) boring 14) It seems very difficult for me to have a trip aboard. It depends...... My parents.Anyway, we'll keep .... Touch. A) on/in B) in/in C) on/ on D) of/ off 15) we used to ..... Along the street when I was small A) walk B) walking C) walked D) not walk