Hòa tan 56 gam hỗn hợp gồm SO3 và CuO vào H2O sau phản ứng thu được 19,6g axit a) Viết phương trình phản ứng. b) Tính % khối lượng các chất trong hỗn hợp? Tính khối lượng axit thu được sau phản ứng? Biết CuO không tan trong nước

Các câu hỏi liên quan

wanted / green / the gate / to paint / they ...................................................................... chickens / for / raised / their small plan / the pupils of class 7a / last summer. ...................................................................... fruit tree / some of them / planted / and vegetables. ...................................................................... go / amusement / children / to / shouldn’t / often / center / the . ....................................................................... to make / who / more interesting / wanted / the meeting ? ....................................................................... always / younger sister / keeps / my / her room / tidy. ...................................................................... why / peter / make / sad / did / his mother ? ....................................................................... She / used / the / to / will / noise / soon / get. ...................................................................... video / addictive / be / games / can. ....................................................................... teenagers / the / television / like / most / around / world ...................................................................... chilren / after / their / brush / should / meals / teeth. ...................................................................... see / at the same time / when / live TV programs / help / events / us / happening / are / they. ....................................................................... sundays / to / often / that / they / go / on / restaurant. ....................................................................... does / before / his / bed / he / homework / going / always / to ....................................................................... usually / bed / I / go / to / about / at 11.00 p.m ....................................................................... XIII. Write exclamation This flower is beautiful. ................................................. It is a hot day......................................................... The room is dirty. ...................................................... This lake is wide. ...................................................... The cat is old.......................................................... It’s a lovely garden. .................................................... These students are very naughty. ......................................... That man is very tall. ................................................... The movie was interesting. .............................................. The party is boring. .....................................................