Calculate the amount of all substances participating in the reaction 4P + 5O2 = 2P2O5, if 310 g of phosphorus has reacted.

univerkov | April 6, 2021 | education

4P + 5O2 = 2P2O5.
310 g of phosphorus is 310 g: 31 g / mol = 10 mol.
Based on the coefficients in the equation, oxygen reacted in an amount of 10: 4 * 5 = 12.5 mol, or 32 g / mol * 12.5 mol = 400 g. Phosphorus oxide P2O5 was obtained 10: 4 * 2 = 5 mol , or 5 mol * 142 g / mol = 710 g

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