Chemistry, 24.07.2021 15:50 issagirl05
nung nóng m gam hỗn hợp x gồm mg, al, cu trong o2 dư , thu được hỗn hợp y gồm các oxit .hoà tan hết y bằng lượng vừa đủ dung dịch hcl 1M và h2so4 0.5M, thu dượcdung dịch chứa 42.8gam hỗn hợp muối trung hoà .Biết các phản ứng xảy ra hoàn toàn. Giá trị của m là ?
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nung nóng m gam hỗn hợp x gồm mg, al, cu trong o2 dư , thu được hỗn hợp y gồm các oxit .hoà tan hết...
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