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Giả sử hiệu suất quá trình sản xuất là 100% thì khối lượng h2so4 có thể thu đc từ 1,6 tấn quặng pirit sát có chứa 60%fes2 là bao nhiêu
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
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Giả sử hiệu suất quá trình sản xuất là 100% thì khối lượng h2so4 có thể thu đc từ 1,6 tấn quặng piri...
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