Chemistry, 16.06.2021 20:00 starfox5454

Cho m gam hỗn hợp cu và fe có tỉ lệ khối lượng tương ứng là 7:3 tác dụng với hno3 thu được 0.75m gam chất rắn, dung dịch X và 5.6 lít hơn hợp khí no và no2. Biết lượng hno3 phản ứng là 44.1 Gam. Giá trị m là

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Cho m gam hỗn hợp cu và fe có tỉ lệ khối lượng tương ứng là 7:3 tác dụng với hno3 thu được 0.75m gam...

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