phosphorus (V) oxide is an acidic oxide and sodium hydroxide is a base... acid + base --> salt + water the question is testing your knowledge of oxides. Phosphorus is an essential element for plant life, but when there is too much of it in water, it can speed up eutrophication (a reduction in dissolved oxygen in water bodies caused by an increase of mineral and organic nutrients) of rivers and lakes. Asked By Wiki User. (i) State the equation for the reaction of this oxide of phosphorus with water. (iii) The molar mass of the oxide is approximately 285gmol −1. It can corrode metals. They both dissolve in water and they both form fictitious acids. (a) What is the molecular formula for product X? The empirical formula for a compound that is 43.6% phosphorus and 56.4% oxygen is P2O5. Home Reactions Blog. Find another reaction. Rb2O + H2O → 2 RbOH --> 2Ru+ + OH-there are many phosphorous oxides, lets take: P2O5 +3H2O ---> 2 H3PO4---> 6H+ + 2PO4-- [5] a. The equation is balanced as written. Determine the empirical formula of the phosphorus oxide? Determine the empirical formula of the oxide, showing your method. Phosphorus(III) oxide is a white crystalline solid that smells like garlic and has a poisonous vapour. Oxide - Oxide - Oxides of phosphorus: Phosphorus forms two common oxides, phosphorus(III) oxide (or tetraphosphorus hexoxide), P4O6, and phosphorus(V) oxide (or tetraphosphorus decaoxide), P4O10. Log in: Chemical reactions Сhemical tables. It can make bad burns. In the formula, the P stands for phosphorus and the O standards for oxygen, so there are 2 phosphorus (P) atoms and 5 oxygen (O) atoms in the compound. The proportions of these depend on the amount of oxygen available. The molar mass of the oxide is 284g/mol. Trampmaster90 ... How to work out formula of salt in acid + base reaction (period 3 oxides)? Make sure you use molecular formulae not empirical formulae for all species in your equation. It is made by burning phosphorus into high amounts of air. Language: ru es en. The oxide reacts readily with water to form product Y. 0. reply. Pretty simple, right? Mr(P) = 30.97 Mr(O) = 16. The balanced equation for the reaction between lithium oxide and water is: Li2O + H2O -> 2 LiOH. When 0.100g of white phosphorus is burned in oxygen, 0.228g of an oxide of phosphorus is produced. Uses CaO + P 2 O 5 → Ca(PO 3) 2 [ Check the balance ] Calcium oxide react with phosphorus pentoxide to produce calcium metaphosphate. Balancing chemical equations. In an excess of oxygen, the product will be almost entirely phosphorus(V) oxide. The atomic mass of phosphorus (P) is 30.974 u and the atomic mass of oxygen (O) is 15.999 u. I'm not sure how you go about this question as it is not a normal mole ratio Q. SO2 is much like CO2. White phosphorus catches fire spontaneously in air, burning with a white flame and producing clouds of white smoke - a mixture of phosphorus(III) oxide and phosphorus(V) oxide. Both oxides have a structure based on the tetrahedral structure of elemental white phosphorus. Phosphorus(V) oxide is a colorless solid. Calcium oxide react with phosphorus pentoxide. That's the equation you're expecting. Determine the molecular formula of the oxide. ... What is the balanced reaction equation for phosphorus in water? Preparation. It has a strong odor. It is irritating to the skin. Write a balanced equation for the combination of white phosphorus and oxygen to form product X. Phosphorus. Our channel. It dissolves in water to produce phosphoric acid. A white crystalline solid that smells like garlic and has a poisonous vapour, 0.228g of oxide... 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