زر Q.21. The molecular formula P2O5 means a. It contains 2 atoms of P & 5 atoms of oxygen b. The ratio of mass of P to the mass of O in the molecule is 2:5 c. There are twice as many P atoms in the molecule as there are o atoms el. The ratio of mass of P to the mass of O is 5:2.
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in the molecule is 2:5. (c) there are twice as many P atoms in the. molecule as there are O atoms. (d) the ratio of the mass of P to the mass of O. in the molecule is 5 : 2.
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option d is correct answer
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