Chemistry, 07.09.2021 16:40 angelinaviera09

Bài 17: Hòa tan hoàn toàn 12,1 gam hỗn hợp bột CuO và ZnO vào 150ml dd HCl 2M. a. Tính thành phần phần trăm theo khối lượng mỗi oxit trong hỗn hợp đầu.
b. Tính khối lượng dd H2SO4 20% cần để hòa tan hỗn hợp trên.

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Bài 17: Hòa tan hoàn toàn 12,1 gam hỗn hợp bột CuO và ZnO vào 150ml dd HCl 2M. a. Tính thành phần...

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Bài 17: Hòa tan hoàn toàn 12,1 gam hỗn hợp bột CuO và ZnO vào 150ml dd HCl 2M. a. Tính thành phần phần trăm theo khối lượng mỗi oxit trong hỗn hợp đầu. b. Tính khối lượng dd H2SO4 20% cần để hòa tan hỗn hợp trên.

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Bài 17: Hòa tan hoàn toàn 12,1 gam hỗn hợp bột CuO và ZnO vào 150ml dd HCl 2M. a. Tính thành phần phần trăm theo khối lượng mỗi oxit trong hỗn hợp đầu.
b. Tính khối lượng dd H2SO4 20% cần để hòa tan hỗn hợp trên.