II. Correct the mistako in the sentences il il is - id36714681 от ivanovanadusa03 18.05.2021 16:10

Question

Химия: II. Correct the mistako in the sentences il il is necessary. Write down the sentences. 1. I lnow, they talk about my bad marks now 2. She is loving her mum very much now д3. Mike needs your help 4. Look, she draws something interesting 5. What trees are you planting every spring? 6. She ſeeds her pets every moming 7. Ann is hating to cal porridge in the moming. 8. She is making her cakes on Sundays. 9. My sister is watching interesting cartoon now 10. At the moment they prepare for their lessons.​

ivanovanadusa03 · Accepted Answer

Уравнение реакции: na₂co₃ + 2hcl = 2nacl + co₂ + h₂o молярная масса карбоната натрия равна 106 гр/моль количество вещества карбоната равно 200/106 = 1,9 моль. такое же количество вещества углекислого газа. молярный объём равен 22,4 литра. значит. выделится 22,4х1,9 = 42,56 литра газа. ответ: 42,56 литра....

Ответы на вопрос:

Популярно: Химия