Question

how many moles of magnesium phosphate will contain 0.25 mole of oxygen

Answer 1

Answer:

3(po4)2, will contain 0.25 mole of oxygen atoms? 1 mole of Mg3(PO4)2 (molecule) contains 3 moles of Mg atoms, 2 moles of P atoms and 2X4 moles of O atoms. = 0.03125 moles.

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Answer 2

Answer:

0.03125

Explanation:

0.25 mole of oxygen = 25/100×16

=>4

1 mole of magnesium phosphate contains 128 g

then how many moles of magnesium phosphate contains 4g of oxygen

1 mol-------128

x mol-------4

x=4/128

=>0.03125

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