`n_{NaCl} = C_{M_{NaCl}} . V = 0,5.1=0,5` `(mol)`
`m_{NaCl} = M.n =(23+35,5).0,5=29,25` `(g)`
Đáp án:
`n_{NaCl} = 0,5 . 1 = 0,5` `mol`
`m_{NaCl} = 0,5 . 58,5 = 29,25` `gam`
`--------`
Áp dụng công thức là :
`C_M = n/V`
`-> n = C_M . V`
`-> V = n/(C_M)`
không cần câu 1, làm câu 2 hoặc 3 trc đều đc ạ làm cả 1 thì hay nhứt aj hứa vote 5s ạ em cần gấp lắm :((
giải hộ mình bài này với mình cần gấp . Cảm ơn nha
giải thích cho mik tại sao s_1 = s ,s_2 =s
CỨU MK VỚI CÂU HỎI : VIẾT MỘT BÀI VĂN BÀY TỎ CẢM NGHĨ VỀ MỘT NGÀY MƯA XIN CÁC BẠN HÃY GIÚP MÌNH VỚI, CÒN 15 PHÚT NỮA THÔI PLEASE!!!!!!!!!!!
Những loại este nào có thể tham gia phản ứng tráng gương
Ancestor worship is a religious rite of the Tay. The altars for the ancestors are placed in a central location in the house. The altar room is such a sacred place that guests is not allowed to sit on the bed in front of the altar. After giving birth, women are also not allowed to sit on the bed in front of the altar. Tay villages are always built at the foot of a mountain and are often named after a mountain, field, or river. Each village contains about 15-20 households. The Tay language belongs to Tay-Thai Group. There is a rich traditional folklore with all kinds of poems, songs, dances, and music. Tay songs include the "Hat Luon" (a kind of duet between lovers), wedding songs, and lullabies. Tay women wear knee-length dresses, which are split at the right side with five buttons along the armpit, and narrow sleeves. The Tay has developed agricultural practices quite well and are able to cultivate all kinds of plants including rice, maize, and sweet potato. *Choose the correct answer to each of the following questions. 5. What is the religious rite of the Tay ? - ___________. A. The altar room B. Giving birth C. Ancestor worship D. Wearing knee-length dresses 6. Who are not permitted to sit on the bed in front of the alter? A. Guests B. Women C. Ancestors D. Women after giving birth and visitors *Answer the questions 7. Do the Tay people have their own language? 8. What word in the passage means “grow”?
Giúpppppppppppppppppppppp mình zoai
Phân tích đa thức thành nhân tử Giúp em câu 2 vs
MN giúp mik vs mik cần gấp hứa vote cho người đầu tiên 5 sao Trl bảo gồm giải thích Cảm ơn ❤️❤️
: Write a paragraph about 80 words about your favorite leisure activity. (1pt) 2. Rewrite the sentences. (1pt) 5. He likes to listen to pop music after school. -> He enjoys______________________________________. 6. Life in the countryside is less stressful than that in the city. -> Life in the city __________________________________________________________. 7. He isn’t a careless driver like his brother. (more) -> His brother_________________________________________________ 8. The Thai women’s shawls are the most beautiful of all. (Make question for the underlined part) → _________________________________________________
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