Question

1)ортофосфорная кислота - дигидрофосфат калия- гидрофосфат калия - фосфат калия - гидрофосфат калия - дигидрофосфат калия - ортофосфорная кислота2)ортофосфорная кислота - дифосфорная кислота - метафосфорная кислота - фосфорный ангидрид - метафосфорная кислота - ортофосфорная кислота 3)фосфор- фосфид лития - фосфин - иодид фосфония - фосфин - оксид фосфора (5)

Answer 1

1)H3PO4+KOH=KH2PO4+KOH=K2HPO4+KOH=K3PO4+например-HCl=K2HPO4+HCl=KH2PO4+HCl=H3PO4 
2)2H3PO4=H4P2O7,=2HPO3=P2O5+H2O=2HPO3+2H2o=2H3PO4
3) Не знаю..

Answer 2

Orthophosphoric Acid - Potassium Dihydrogen Phosphate - Potassium Hydrogen Phosphate - Potassium Phosphate - Potassium Dihydrogen Phosphate - Orthophosphoric Acid

Orthophosphoric acid, also known as phosphoric acid (H3PO4), is a mineral acid commonly used in various industries. It has the chemical formula H3PO4 and is a triprotic acid, meaning it can donate three protons (H+) in solution.

Potassium dihydrogen phosphate (KH2PO4) is a salt formed by the reaction of orthophosphoric acid with potassium hydroxide (KOH). It is also known as monopotassium phosphate and has the chemical formula KH2PO4. It is commonly used as a fertilizer, food additive, and buffering agent in various industries.

Potassium hydrogen phosphate (K2HPO4) is another salt formed by the reaction of orthophosphoric acid with potassium hydroxide. It is also known as dipotassium phosphate and has the chemical formula K2HPO4. It is used as a food additive, buffering agent, and in the production of fertilizers.

Potassium phosphate (K3PO4) is a salt formed by the reaction of orthophosphoric acid with potassium hydroxide. It is also known as tripotassium phosphate and has the chemical formula K3PO4. It is used as a food additive, buffering agent, and in the production of fertilizers.

The reactions between orthophosphoric acid and potassium hydroxide to form these salts can be represented as follows:

1) Orthophosphoric Acid + Potassium Hydroxide → Potassium Dihydrogen Phosphate + Water H3PO4 + KOH → KH2PO4 + H2O

2) Orthophosphoric Acid + Potassium Hydroxide → Potassium Hydrogen Phosphate + Water H3PO4 + 2KOH → K2HPO4 + 2H2O

3) Orthophosphoric Acid + Potassium Hydroxide → Potassium Phosphate + Water H3PO4 + 3KOH → K3PO4 + 3H2O

Please note that the reactions mentioned above are simplified representations and may involve additional steps or intermediates.

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