Question

P2O5=?+?Треба прості речовини поможіть

Answer 1

4P + 5O2 = 2P2O5 (Уже уравнено, ответ P2O5)

Answer 2

P2O5 is a chemical formula representing a compound called phosphorus pentoxide. It is a covalent compound composed of two atoms of phosphorus (P) and five atoms of oxygen (O). To find the individual elements' atomic masses, you can refer to the periodic table:

• Phosphorus (P) has an atomic mass of approximately 30.97 g/mol.
• Oxygen (O) has an atomic mass of approximately 16.00 g/mol.

Now, to calculate the molar mass of P2O5, you can add the atomic masses of its constituent elements:

Molar mass of P2O5 = (2 * Atomic mass of P) + (5 * Atomic mass of O) = (2 * 30.97 g/mol) + (5 * 16.00 g/mol) = 61.94 g/mol + 80.00 g/mol = 141.94 g/mol

So, the molar mass of P2O5 is approximately 141.94 grams per mole (g/mol).