STANDARDChemistry-Stoichiometry
STANDARD Chemistry Empirical and Molecular Formulas MCQ Question
Type: MCQ-numerical-Medium
A compound of magnesium contains 21.9% magnesium, 27.8% phosphorus and 50.3% oxygen. What will be the simplest formula of the compound?
A
Mg₂P₂O₇
B
MgPO₃
C
Mg₂P₂O₂
D
MgP₂O₄
Correct Answer
Option A
Detailed Explanation
The simplest formula is determined by calculating the molar ratio of the elements. The molar ratio of Mg:P:O is 2:2:7, leading to the formula Mg₂P₂O₇.
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