The half life period of uranium is 4.5 billion years. After 9.0 billion years, the number of moles of heliumm liberated from the following nuclear rea

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The half life period of uranium is 4.5 billion years. After 9.0 billion years, the number of moles of heliumm ... 1.0 mol C. 11.2 mol D. 22.4 mol

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