C19H16O4 + 21 O2 ==點(diǎn)燃== 8 H2O + 19 CO2
思路很簡單,確定C19H16O4 的化學(xué)計量數(shù)為1,
然后配平非氧元素
最后數(shù)一數(shù)右邊有幾個O,確定反應(yīng)物O2的化學(xué)計量數(shù),
最后乘以公分母,把分?jǐn)?shù)化為整數(shù)
用簡單的方法配平C19H16O4+O2==點(diǎn)燃==H2O+CO2
用簡單的方法配平C19H16O4+O2==點(diǎn)燃==H2O+CO2
其他人氣:938 ℃時間:2020-01-28 08:47:54
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