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Chemistry, 28.08.2021 07:20 JamierW2005
Để hòa tan hoàn toàn 49,8 g hỗn hợp chất rắn A gồm Al và Zn cần vừa đủ 600 ml dung dịch hỗn hợp HCl 2M và H2SO4 1m
a) tính khối lượng mỗi kim loại trong A
b) cho 24,9 g hỗn hợp A phản ứng với dung dịch HNO3 dư phản ứng kết thúc tạo ra 17,92 lít hỗn hợp khí x gồm NO và NO2 (đktc).Tính khối lượng muối tạo ra và số mol HNO3 đã phản ứng
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Để hòa tan hoàn toàn 49,8 g hỗn hợp chất rắn A gồm Al và Zn cần vừa đủ 600 ml dung dịch hỗn hợp HCl...
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