Watch video Фосфор. Аллотропия фосфора. Свойства фосфора. Оксид фосфора(V). Фосфорная кислота и её соли. online without registration, duration 05 minute 40 second in high hd quality. This video was added by user Видеоуроки 25 May 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 5 thousand once and liked it 72 people.