高一物质的聚集状态题目.急.一定量的液态化合物XY2,在672ml的O2中恰好完全反应,XY2(l)+3O2(g)=XO2(g)+2YO2(g),冷却后,在标况下测得生成物的密度为2.56g/L,则:(1)XY2质量是___________(2)XY2的摩尔
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![高一物质的聚集状态题目.急.一定量的液态化合物XY2,在672ml的O2中恰好完全反应,XY2(l)+3O2(g)=XO2(g)+2YO2(g),冷却后,在标况下测得生成物的密度为2.56g/L,则:(1)XY2质量是___________(2)XY2的摩尔](/uploads/image/z/12593840-32-0.jpg?t=%E9%AB%98%E4%B8%80%E7%89%A9%E8%B4%A8%E7%9A%84%E8%81%9A%E9%9B%86%E7%8A%B6%E6%80%81%E9%A2%98%E7%9B%AE.%E6%80%A5.%E4%B8%80%E5%AE%9A%E9%87%8F%E7%9A%84%E6%B6%B2%E6%80%81%E5%8C%96%E5%90%88%E7%89%A9XY2%2C%E5%9C%A8672ml%E7%9A%84O2%E4%B8%AD%E6%81%B0%E5%A5%BD%E5%AE%8C%E5%85%A8%E5%8F%8D%E5%BA%94%2CXY2%EF%BC%88l%EF%BC%89%2B3O2%28g%29%3DXO2%28g%29%2B2YO2%28g%29%2C%E5%86%B7%E5%8D%B4%E5%90%8E%2C%E5%9C%A8%E6%A0%87%E5%86%B5%E4%B8%8B%E6%B5%8B%E5%BE%97%E7%94%9F%E6%88%90%E7%89%A9%E7%9A%84%E5%AF%86%E5%BA%A6%E4%B8%BA2.56g%2FL%2C%E5%88%99%EF%BC%9A%EF%BC%881%EF%BC%89XY2%E8%B4%A8%E9%87%8F%E6%98%AF___________%EF%BC%882%EF%BC%89XY2%E7%9A%84%E6%91%A9%E5%B0%94)
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