НОВОЕ ЗАДАНИЕ 34 из сборника Добротина 2026 | Подробный разбор | Вариант 24 | Химия ЕГЭ | Умскул

👉 Get cheat sheets for all chemistry topics for the Unified State Exam and other free useful files from the pinned Telegram channel: https://t.me/+ptZ5NwAYepliNDAy 🧑‍🔬 I'm Bogdan Chagin, preparing 11th-graders for the Unified State Exam in chemistry at the Umskul online school. I've prepared 168 students who achieved perfect scores, and over 1,400 of my students have passed the exam with a score of 90+. My course is approved by the Ministry of Education and is included in the official list of electronic educational resources. 🇷🇺 I can explain chemistry in any way: in academic language, using simple examples and associations. The material will be absorbed automatically—you won't have to constantly cram! 🍓 Prepare for the Unified State Exam with Umskul now to be sure to score well. Follow the link to enroll or ask a question: https://short.umschool.net/18gP We'll create a personalized learning track for you in 4 subjects so you don't burn out, and we'll help you get into the university of your dreams! With our teachers, you'll definitely understand and love the subject and learn about all the pitfalls of exams. A little about Umskul: — Every eighth student who achieved perfect scores in Russia in 2025 studied at Umskul. — We've trained over 4,900 students who achieved perfect scores. — 47,000 of our students have scored 90+ on the Unified State Exam. — 80,000+ students have achieved excellent scores on the Basic State Exam. — Over 9 years, we've prepared over 600,000 students for the Unified State Exam and Basic State Exam. 🔔 Subscribe to the channel, like, and click the bell to stay updated on new videos! 💙 Watch my videos and live broadcasts on VK Video: https://vk.cc/cDzdo5 Phosphorus(V) chloride was added to 200 g of phosphoric acid solution. After the reaction was complete, the molar concentrations of the two acids in the resulting solution were equal. To completely neutralize the resulting solution, it was necessary to add 263 g of lithium hydroxide solution, after which the mass fraction of the salt in the resulting solution became 5%. Calculate the molar concentration of phosphoric acid in the original solution if its density is 1.05 g/ml. #umskul #ege #chemistry