How many moles of magnesium phosphate, Mg, (POW), will contain 0.25 mole of oxygen atoms?
(A) 0.02
(B) 3.125 x 10^-2
(C) 1.25 x 10^-2
(D) 2.5-10^-2
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Answer:
the number of moles of b will contain 0.25 moles of oxygen is equal to 3.125 into 10 ^ - 2
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