草酸钙x mol,草酸镁y mol则 草酸钙128x g,草酸镁112y g ,即128x + 112y = 0.7534则 碳酸钙100x g,草酸镁84y g ,即100x + 84y = 0.5732解之：x = 0.002037 mol,y = 0.004398 mol草酸钙 0.2608 g 草酸镁 0.4926 g草酸...