Bài 6: Cho 1,6g đồng (II) oxit tác dụng với 100g dung dịch axit sunfuric có nồng độ 20%. A) Viết phương trình phản ứng hóa học. B) Tính nồng độ phần trăm các chất có trong dung dịch sau khi phản ứng kết thúc.

Ibelieve its a because an empirical formula usually has a ch in it your options are a or b

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.