Khử hoàn toàn23,2g môt oxit kim loại bằng CO ở nhiệt độ cao thành kim loại. Dẫn toàn bộ khí sinh ra vào bình đựng 250 ml dd BA(OH)2 1M thấy tạo ra 19.7 g kết tủa. Nếu cho lượng kim loại sinh ra hòa tan hết vào dung dịch HCL dư thì thu được 6,72 lít khí (ở đktc) Xác định oxit kim lolo đó

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Which formula can be used to calculate the molar mass of hydrogen peroxide