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2H2O=2H2+O2 化学式
生成された水素と酸素の体積比は2:1であり、m=ρvによれば、水素と酸素の質量比は0.089g/L×2である。 1.43g/L×1=1 8 A:水素と酸素の質量比は1 8.
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