一道ap化学题.50.which of the following represents acceptable laboratory practice?A.adding a weighed quantity of solid acid to a titration flask wet with distilled water.B.using 10 ml of standard strength phenolphthalein indicator solution for ti
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一道ap化学题.50.which of the following represents acceptable laboratory practice?A.adding a weighed quantity of solid acid to a titration flask wet with distilled water.B.using 10 ml of standard strength phenolphthalein indicator solution for ti
一道AP化学题In the electroplating of nickel, 0.200 faraday of electrical charge is passed though a solution of NiSO4. What mass of nickel is deposited?(答案 5.87g)
一道化学题
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又一道英文化学题..Which one of the following is not the same number as the rest?A.The number of molecules in 4 moles of CO2.B.The number of hydrogen atoms in 2 moles of H2O.C.The number of chloride ions in 4 moles of CaCl2.D.The number of hyf
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一道有机化学题
一道化学题计算 拜托.
化学题 一道 求解答
一道化学题题目如下,
一道分析化学题
一道大学有机化学题.
一道头疼的化学题?
请做一道化学题.,