his sister sent her money, so he continued to study

unless it...

if it hadn't rained, we would have a better crop

Unless it....

Cho m gam hỗn hợp Mg(Oh)2, Cu(OH)2, NaOH tác dụng vừa đủ với 400 ml dd HCL 1M và tạo thành 24,1 gam muối cloarua hãy tính m

Cho 10 gam CaC03 tác dụng với dung dịch HCl dư..

a tính thể tích khí co2 thu đc ở đktc

b dẫn khí co2 thu đc ở trên vào lọ đựng 50g dd naoh 40% hãy tính khối lượng muối cacbonat thu đc

1.If he ( not/steal)....the wallet, he (not/be) ...in prison now

2. If they (invite).......yesterday, I (be).......is a good day tomorrow

3. We (go).........swimming if it (be)......a good day tomorrow

4. Lien never goes on a camping trip

She wishes........

5. The students never go abroad to visit their pen pal

they wish........

1,If you want my advice, I wouldn't buy it

If I..........

2, I only come if they invite me

Unless...

3, The park is over there, only 5 minutes' walk

If you walk...

4, Today isn't sunnday. The pupils can't go swimming

If....

5, He wasn't here. He didn't have a lot of fun

If.....

6, He didn't have time. He didn't read this novel

If...

7, Peter doesn't study hard, so he can't get good marks

If...

8, My sister is absent from her classs because she has a terrible headache

If...

9. Windy didn't come, so we cancelled the meeting

if...

10, He was angry, so he didn't say anything

if....

11. My brother will have enough money. He will buy a bicycle

If...

Hòa tan hoàn toàn 14,2 g hỗn hợp bột 2 oxit Al₂O₃ và MgO cần dùng 400g dung dịch H₂SO₄ 9,8%

a, Viết pthh

b, Tính số mol oxit trong hỗn hợp

c Tính C% của các chất thu đc trong dd sau phản ứng

Giups mình với c.ơn