Cho 12,7 gam hỗn hợp Y gồm $FeO, MgO, Al_{2}O_{3}$ tan vừa đủ trong 300ml dd hỗn hợp $H_{2}SO_{4} x M$ và $HCl x M$. Cô cạn dung dịch thu được 35,2 g muối khan. Giá trị của $x$ là ?

làm ơn giúp mik!!! T-T P/s:nếu làm thì làm ơn viết bằng mực xanh (bút bi)

các bác cíu em với ạ huhu, cần cực gấp em cảm ơnn :((

Giúp mk đi mn ơi🥺🥺🥺🥺mk hứa vote ạ, giải thích dùm mk đc k ạ🥺🥺🥺

Vẽ chibi / đậu mầm NL: kể tên những bn hạng thiên tài nhưng về ko có tâm

find and correct the mistake 4 at the yellow table the girls ar paint a paper 5 today is Monday the eight of March 6 I like listen to music in the evening 7 where are you las weekend? 8 what are she doing? 9 Linda's read a textand Mia's writing a dictation 10 Mai and Peter are stand next to the door 11 My favouruute subjects is IT and Literature 12 In school she has Marths Vietnamese English and Science 13 Lam study at Ho Hong Primary School 14 I have a new kite . Let's flying it 15 My grandparents like watch TV 16 Her bobby are taking photographs 17 My mother can likes cooking very much 18 My school is n Street Tay Son 19 Her birthday is in the february

Two walkers are reported to _________________ (93. go) missing near the summit of Snowdon, the highest peak in Wales. John Watkins, aged 21 and Melanie McBrian, 19, _________________ (94. return) by nightfall, leading to fears that they _________________ (95. force) to spend the night on the mountain. Weather conditions, when the pair _________________ (96. set) off yesterday morning, were fairly good. By the afternoon, however, it _________________ (97. get) much worse. Thick clouds quickly _________________ (98. spread) over the region and there was a sharp drop in temperature. The surface of the local lakes _________________ (99. begin) to freeze within a few hours. Blizzards began in the evening, with a great deal of snow _________________ (100. fall) above 500 metres.

Do your homework first, and I’ll let you can play the computer games I won’t allow

nhập vào 1 mảng a kiểm tra mảng a có đối xứng hay không pascal nhanh với mình cần gấp

Hãy tìm các vật phát ra chùm tia hội tụ,chùm tia phân kì.