Oxygen is 16 times heavier than hydrogen. Equal volume of hydrogen ...
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Oxygen is `16` times heavier than hydrogen. At `NTP` equal volumn of hydrogen and oxygen are mix...
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Oxygen is 16 times heavier than hydrogen. At NTP equal volume of hydrogen and oxygen are mixed. T...
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Oxygen is 16 times heavier than hydrogen. The equal volumes of hydr...
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Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen...
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Oxygen is `16` times heavier than hydrogen. At `NTP` equal volumn of hydrogen and
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