Ответ:
P2O3 w = (3 × 16) / 110 = 0.43 × 100 = 43%
P2O5 w = (5 × 16) / 142 = 0.57 × 100 = 57%
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Ответ:
P2O3 w = (3 × 16) / 110 = 0.43 × 100 = 43%
P2O5 w = (5 × 16) / 142 = 0.57 × 100 = 57%