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How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?(A) 0.02 (B) 3.125 x 10-2 (C) 1.25 x 10-2 (D) 2.5 x 10-2 |
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Answer» Correct option: (B) 3.125 x 10-2 1 mole of Mg3(PO4)2 gives 8 moles of O2 x moles will give 0.25 moles of O2 x = \(\cfrac{0.25}{8}\) = 3.125 x 10-2 moles. |
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