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Chemistry, 27.09.2021 17:40 gracieorman4

chia 4,48 gam hỗn hợp gồm Cu và Fe2 O3 thành hai phần bằng nhau Phần 1 cho vào dung dịch HNO3 dư thu được 4,48 ml khí NO2 phần 2 cho vào 0,6 lít dung dịch HCl 1M thu được dung dịch a a viết phương trình hóa học các phản ứng xảy ra B Tính nồng độ mol của các chất trong dung dịch A

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chia 4,48 gam hỗn hợp gồm Cu và Fe2 O3 thành hai phần bằng nhau Phần 1 cho vào dung dịch HNO3 dư thu...
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