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12 February, 16:33

Which of the following has the greatest mass? 1 mole of uranium (U) 1 mole of oxygen (O) 1 mole of sodium (Na) 1 mole of chlorine (Cl)

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  1. 12 February, 19:13
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    To determine which has the greatest mass, we need to find out the molecular mass of each element:

    Uranium (U) = 238 g/mol

    Oxygen (O) = 16 g/mol

    Sodium (Na) = 23 g/mol

    Chlorine (Cl) = 35.45 g/mol

    Therefore, if we have one mole of each element, the element with the greatest mass is 238 grams or Uranium.
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