a 20.8-g sample of fuel is burned in the presence of oxygen as a result 9.8 grams of carbon dioxide and 17.3 grams of water are produced and captured in containers. According to the law of conservation of matter how much oxygen reacted with the fuel.

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Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.