Mathematics · Quantitative Analysis
By quantitative analysis, 1.00 g of an organic compound (X) gave 1.79 g of magnesium pyrophosphate (Mg2P2O7). The percentage of phosphorus in compound (X) is closest to which integer? (Given molar mass in g mol-1: O = 16, Mg = 24, P = 31)
- 140
- 220
- 330
- 450✓
Correct answer
50
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